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Finding the Fourth Proportional to 224,707.32, 337,060.96 and 66,931.68

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Solution

The fourth proportional to 224,707.32, 337,060.96 and 66,931.68 is: 100,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,707.32 : 337,060.96 = 66,931.68 : x
  2. Step 2: Convert to fraction form
    224,707.32/337,060.96 = 66,931.68/x
  3. Step 3: Cross multiply
    224,707.32x = 337,060.96 × 66,931.68
  4. Step 4: Simplify right side
    224,707.32x = 22,560,056,315.21
  5. Step 5: Solve for x
    x = 22,560,056,315.21/224,707.32
  6. Step 6: Final answer
    x = 100,397.51

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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.