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Finding the Fourth Proportional to 229,572.48, 344,332.80 and 79,787.52

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Solution

The fourth proportional to 229,572.48, 344,332.80 and 79,787.52 is: 119,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,572.48 : 344,332.80 = 79,787.52 : x
  2. Step 2: Convert to fraction form
    229,572.48/344,332.80 = 79,787.52/x
  3. Step 3: Cross multiply
    229,572.48x = 344,332.80 × 79,787.52
  4. Step 4: Simplify right side
    229,572.48x = 27,473,460,166.66
  5. Step 5: Solve for x
    x = 27,473,460,166.66/229,572.48
  6. Step 6: Final answer
    x = 119,672.27

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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.