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Finding the Fourth Proportional to 100,920.53, 151,384.95 and 37,734.26

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Solution

The fourth proportional to 100,920.53, 151,384.95 and 37,734.26 is: 56,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,920.53 : 151,384.95 = 37,734.26 : x
  2. Step 2: Convert to fraction form
    100,920.53/151,384.95 = 37,734.26/x
  3. Step 3: Cross multiply
    100,920.53x = 151,384.95 × 37,734.26
  4. Step 4: Simplify right side
    100,920.53x = 5,712,398,306.46
  5. Step 5: Solve for x
    x = 5,712,398,306.46/100,920.53
  6. Step 6: Final answer
    x = 56,602.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.