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Finding the Fourth Proportional to 335,101.80, 502,479.90 and 124,631.40

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Solution

The fourth proportional to 335,101.80, 502,479.90 and 124,631.40 is: 186,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,101.80 : 502,479.90 = 124,631.40 : x
  2. Step 2: Convert to fraction form
    335,101.80/502,479.90 = 124,631.40/x
  3. Step 3: Cross multiply
    335,101.80x = 502,479.90 × 124,631.40
  4. Step 4: Simplify right side
    335,101.80x = 62,624,773,408.86
  5. Step 5: Solve for x
    x = 62,624,773,408.86/335,101.80
  6. Step 6: Final answer
    x = 186,882.83

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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.