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Finding the Fourth Proportional to 242,572.20, 363,809.70 and 116,212.20

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Solution

The fourth proportional to 242,572.20, 363,809.70 and 116,212.20 is: 174,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,572.20 : 363,809.70 = 116,212.20 : x
  2. Step 2: Convert to fraction form
    242,572.20/363,809.70 = 116,212.20/x
  3. Step 3: Cross multiply
    242,572.20x = 363,809.70 × 116,212.20
  4. Step 4: Simplify right side
    242,572.20x = 42,279,125,618.34
  5. Step 5: Solve for x
    x = 42,279,125,618.34/242,572.20
  6. Step 6: Final answer
    x = 174,295.02

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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.