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Finding the Fourth Proportional to 223,287.92, 334,981.20 and 73,574.40

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Solution

The fourth proportional to 223,287.92, 334,981.20 and 73,574.40 is: 110,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,287.92 : 334,981.20 = 73,574.40 : x
  2. Step 2: Convert to fraction form
    223,287.92/334,981.20 = 73,574.40/x
  3. Step 3: Cross multiply
    223,287.92x = 334,981.20 × 73,574.40
  4. Step 4: Simplify right side
    223,287.92x = 24,646,040,801.28
  5. Step 5: Solve for x
    x = 24,646,040,801.28/223,287.92
  6. Step 6: Final answer
    x = 110,377.85

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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.