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Finding the Fourth Proportional to 345,032.86, 517,605.46 and 101,898.53

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Solution

The fourth proportional to 345,032.86, 517,605.46 and 101,898.53 is: 152,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,032.86 : 517,605.46 = 101,898.53 : x
  2. Step 2: Convert to fraction form
    345,032.86/517,605.46 = 101,898.53/x
  3. Step 3: Cross multiply
    345,032.86x = 517,605.46 × 101,898.53
  4. Step 4: Simplify right side
    345,032.86x = 52,743,235,493.97
  5. Step 5: Solve for x
    x = 52,743,235,493.97/345,032.86
  6. Step 6: Final answer
    x = 152,864.39

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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.