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Finding the Fourth Proportional to 176,572.80, 264,686.40 and 71,251.20

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Solution

The fourth proportional to 176,572.80, 264,686.40 and 71,251.20 is: 106,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,572.80 : 264,686.40 = 71,251.20 : x
  2. Step 2: Convert to fraction form
    176,572.80/264,686.40 = 71,251.20/x
  3. Step 3: Cross multiply
    176,572.80x = 264,686.40 × 71,251.20
  4. Step 4: Simplify right side
    176,572.80x = 18,859,223,623.68
  5. Step 5: Solve for x
    x = 18,859,223,623.68/176,572.80
  6. Step 6: Final answer
    x = 106,807.07

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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.