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Finding the Fourth Proportional to 224,301.76, 309,458.98 and 143,773.68

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Solution

The fourth proportional to 224,301.76, 309,458.98 and 143,773.68 is: 198,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,301.76 : 309,458.98 = 143,773.68 : x
  2. Step 2: Convert to fraction form
    224,301.76/309,458.98 = 143,773.68/x
  3. Step 3: Cross multiply
    224,301.76x = 309,458.98 × 143,773.68
  4. Step 4: Simplify right side
    224,301.76x = 44,492,057,703.83
  5. Step 5: Solve for x
    x = 44,492,057,703.83/224,301.76
  6. Step 6: Final answer
    x = 198,358.04

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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.