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Finding the Fourth Proportional to 119,241.62, 178,867.86 and 84,337.10

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Solution

The fourth proportional to 119,241.62, 178,867.86 and 84,337.10 is: 126,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,241.62 : 178,867.86 = 84,337.10 : x
  2. Step 2: Convert to fraction form
    119,241.62/178,867.86 = 84,337.10/x
  3. Step 3: Cross multiply
    119,241.62x = 178,867.86 × 84,337.10
  4. Step 4: Simplify right side
    119,241.62x = 15,085,196,595.61
  5. Step 5: Solve for x
    x = 15,085,196,595.61/119,241.62
  6. Step 6: Final answer
    x = 126,509.49

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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.