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Finding the Fourth Proportional to 335,539.98, 503,154.45 and 125,121.42

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Solution

The fourth proportional to 335,539.98, 503,154.45 and 125,121.42 is: 187,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,539.98 : 503,154.45 = 125,121.42 : x
  2. Step 2: Convert to fraction form
    335,539.98/503,154.45 = 125,121.42/x
  3. Step 3: Cross multiply
    335,539.98x = 503,154.45 × 125,121.42
  4. Step 4: Simplify right side
    335,539.98x = 62,955,399,263.32
  5. Step 5: Solve for x
    x = 62,955,399,263.32/335,539.98
  6. Step 6: Final answer
    x = 187,624.14

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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.