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Finding the Fourth Proportional to 73,953.34, 102,102.39 and 56,925.58

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Solution

The fourth proportional to 73,953.34, 102,102.39 and 56,925.58 is: 78,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,953.34 : 102,102.39 = 56,925.58 : x
  2. Step 2: Convert to fraction form
    73,953.34/102,102.39 = 56,925.58/x
  3. Step 3: Cross multiply
    73,953.34x = 102,102.39 × 56,925.58
  4. Step 4: Simplify right side
    73,953.34x = 5,812,236,975.00
  5. Step 5: Solve for x
    x = 5,812,236,975.00/73,953.34
  6. Step 6: Final answer
    x = 78,593.30

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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.