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Finding the Fourth Proportional to 92,778.54, 128,034.99 and 52,493.82

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Solution

The fourth proportional to 92,778.54, 128,034.99 and 52,493.82 is: 72,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,778.54 : 128,034.99 = 52,493.82 : x
  2. Step 2: Convert to fraction form
    92,778.54/128,034.99 = 52,493.82/x
  3. Step 3: Cross multiply
    92,778.54x = 128,034.99 × 52,493.82
  4. Step 4: Simplify right side
    92,778.54x = 6,721,045,718.76
  5. Step 5: Solve for x
    x = 6,721,045,718.76/92,778.54
  6. Step 6: Final answer
    x = 72,441.81

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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.