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Finding the Fourth Proportional to 147,497.52, 220,935.20 and 100,141.68

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Solution

The fourth proportional to 147,497.52, 220,935.20 and 100,141.68 is: 150,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,497.52 : 220,935.20 = 100,141.68 : x
  2. Step 2: Convert to fraction form
    147,497.52/220,935.20 = 100,141.68/x
  3. Step 3: Cross multiply
    147,497.52x = 220,935.20 × 100,141.68
  4. Step 4: Simplify right side
    147,497.52x = 22,124,822,099.14
  5. Step 5: Solve for x
    x = 22,124,822,099.14/147,497.52
  6. Step 6: Final answer
    x = 150,001.32

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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.