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Finding the Fourth Proportional to 72,343.17, 108,022.34 and 63,838.71

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Solution

The fourth proportional to 72,343.17, 108,022.34 and 63,838.71 is: 95,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343.17 : 108,022.34 = 63,838.71 : x
  2. Step 2: Convert to fraction form
    72,343.17/108,022.34 = 63,838.71/x
  3. Step 3: Cross multiply
    72,343.17x = 108,022.34 × 63,838.71
  4. Step 4: Simplify right side
    72,343.17x = 6,896,006,996.38
  5. Step 5: Solve for x
    x = 6,896,006,996.38/72,343.17
  6. Step 6: Final answer
    x = 95,323.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.