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Finding the Fourth Proportional to 482,159.73, 723,288.20 and 127,198.29

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Solution

The fourth proportional to 482,159.73, 723,288.20 and 127,198.29 is: 190,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,159.73 : 723,288.20 = 127,198.29 : x
  2. Step 2: Convert to fraction form
    482,159.73/723,288.20 = 127,198.29/x
  3. Step 3: Cross multiply
    482,159.73x = 723,288.20 × 127,198.29
  4. Step 4: Simplify right side
    482,159.73x = 92,001,021,581.19
  5. Step 5: Solve for x
    x = 92,001,021,581.19/482,159.73
  6. Step 6: Final answer
    x = 190,810.26

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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.