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Finding the Fourth Proportional to 218,096.20, 300,952.02 and 127,473.40

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Solution

The fourth proportional to 218,096.20, 300,952.02 and 127,473.40 is: 175,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,096.20 : 300,952.02 = 127,473.40 : x
  2. Step 2: Convert to fraction form
    218,096.20/300,952.02 = 127,473.40/x
  3. Step 3: Cross multiply
    218,096.20x = 300,952.02 × 127,473.40
  4. Step 4: Simplify right side
    218,096.20x = 38,363,377,226.27
  5. Step 5: Solve for x
    x = 38,363,377,226.27/218,096.20
  6. Step 6: Final answer
    x = 175,901.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.