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Finding the Fourth Proportional to 162,532.80, 243,799.20 and 134,884.80

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Solution

The fourth proportional to 162,532.80, 243,799.20 and 134,884.80 is: 202,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,532.80 : 243,799.20 = 134,884.80 : x
  2. Step 2: Convert to fraction form
    162,532.80/243,799.20 = 134,884.80/x
  3. Step 3: Cross multiply
    162,532.80x = 243,799.20 × 134,884.80
  4. Step 4: Simplify right side
    162,532.80x = 32,884,806,332.16
  5. Step 5: Solve for x
    x = 32,884,806,332.16/162,532.80
  6. Step 6: Final answer
    x = 202,327.20

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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.