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Finding the Fourth Proportional to 334,978.20, 502,482.42 and 95,109.12

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Solution

The fourth proportional to 334,978.20, 502,482.42 and 95,109.12 is: 142,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,978.20 : 502,482.42 = 95,109.12 : x
  2. Step 2: Convert to fraction form
    334,978.20/502,482.42 = 95,109.12/x
  3. Step 3: Cross multiply
    334,978.20x = 502,482.42 × 95,109.12
  4. Step 4: Simplify right side
    334,978.20x = 47,790,660,781.67
  5. Step 5: Solve for x
    x = 47,790,660,781.67/334,978.20
  6. Step 6: Final answer
    x = 142,667.97

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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.