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Finding the Fourth Proportional to 335,714.80, 503,572.20 and 136,041.70

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Solution

The fourth proportional to 335,714.80, 503,572.20 and 136,041.70 is: 204,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,714.80 : 503,572.20 = 136,041.70 : x
  2. Step 2: Convert to fraction form
    335,714.80/503,572.20 = 136,041.70/x
  3. Step 3: Cross multiply
    335,714.80x = 503,572.20 × 136,041.70
  4. Step 4: Simplify right side
    335,714.80x = 68,506,818,160.74
  5. Step 5: Solve for x
    x = 68,506,818,160.74/335,714.80
  6. Step 6: Final answer
    x = 204,062.55

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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.