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Finding the Fourth Proportional to 462,111.70, 693,167.55 and 146,593.30

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Solution

The fourth proportional to 462,111.70, 693,167.55 and 146,593.30 is: 219,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,111.70 : 693,167.55 = 146,593.30 : x
  2. Step 2: Convert to fraction form
    462,111.70/693,167.55 = 146,593.30/x
  3. Step 3: Cross multiply
    462,111.70x = 693,167.55 × 146,593.30
  4. Step 4: Simplify right side
    462,111.70x = 101,613,718,607.42
  5. Step 5: Solve for x
    x = 101,613,718,607.42/462,111.70
  6. Step 6: Final answer
    x = 219,889.95

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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.