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Finding the Fourth Proportional to 162,841.70, 243,901.65 and 125,124.14

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Solution

The fourth proportional to 162,841.70, 243,901.65 and 125,124.14 is: 187,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,841.70 : 243,901.65 = 125,124.14 : x
  2. Step 2: Convert to fraction form
    162,841.70/243,901.65 = 125,124.14/x
  3. Step 3: Cross multiply
    162,841.70x = 243,901.65 × 125,124.14
  4. Step 4: Simplify right side
    162,841.70x = 30,517,985,279.80
  5. Step 5: Solve for x
    x = 30,517,985,279.80/162,841.70
  6. Step 6: Final answer
    x = 187,408.91

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1.5x scale

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.