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Finding the Fourth Proportional to 192,530.60, 288,411.90 and 169,439.40

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Solution

The fourth proportional to 192,530.60, 288,411.90 and 169,439.40 is: 253,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,530.60 : 288,411.90 = 169,439.40 : x
  2. Step 2: Convert to fraction form
    192,530.60/288,411.90 = 169,439.40/x
  3. Step 3: Cross multiply
    192,530.60x = 288,411.90 × 169,439.40
  4. Step 4: Simplify right side
    192,530.60x = 48,868,339,288.86
  5. Step 5: Solve for x
    x = 48,868,339,288.86/192,530.60
  6. Step 6: Final answer
    x = 253,821.16

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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.