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Finding the Fourth Proportional to 242,178.08, 363,373.68 and 123,946.88

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Solution

The fourth proportional to 242,178.08, 363,373.68 and 123,946.88 is: 185,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,178.08 : 363,373.68 = 123,946.88 : x
  2. Step 2: Convert to fraction form
    242,178.08/363,373.68 = 123,946.88/x
  3. Step 3: Cross multiply
    242,178.08x = 363,373.68 × 123,946.88
  4. Step 4: Simplify right side
    242,178.08x = 45,039,033,910.12
  5. Step 5: Solve for x
    x = 45,039,033,910.12/242,178.08
  6. Step 6: Final answer
    x = 185,974.86

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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.