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Finding the Fourth Proportional to 70,234.72, 96,925.44 and 41,935.12

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Solution

The fourth proportional to 70,234.72, 96,925.44 and 41,935.12 is: 57,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,234.72 : 96,925.44 = 41,935.12 : x
  2. Step 2: Convert to fraction form
    70,234.72/96,925.44 = 41,935.12/x
  3. Step 3: Cross multiply
    70,234.72x = 96,925.44 × 41,935.12
  4. Step 4: Simplify right side
    70,234.72x = 4,064,579,957.45
  5. Step 5: Solve for x
    x = 4,064,579,957.45/70,234.72
  6. Step 6: Final answer
    x = 57,871.38

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Find fourth proportional to 70,235.72, 96,926.82 and 41,936.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.