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Finding the Fourth Proportional to 169,332.80, 253,999.20 and 153,003.20

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Solution

The fourth proportional to 169,332.80, 253,999.20 and 153,003.20 is: 229,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,332.80 : 253,999.20 = 153,003.20 : x
  2. Step 2: Convert to fraction form
    169,332.80/253,999.20 = 153,003.20/x
  3. Step 3: Cross multiply
    169,332.80x = 253,999.20 × 153,003.20
  4. Step 4: Simplify right side
    169,332.80x = 38,862,690,397.44
  5. Step 5: Solve for x
    x = 38,862,690,397.44/169,332.80
  6. Step 6: Final answer
    x = 229,504.80

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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.