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Finding the Fourth Proportional to 165,082.63, 247,722.32 and 59,909.80

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Solution

The fourth proportional to 165,082.63, 247,722.32 and 59,909.80 is: 89,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,082.63 : 247,722.32 = 59,909.80 : x
  2. Step 2: Convert to fraction form
    165,082.63/247,722.32 = 59,909.80/x
  3. Step 3: Cross multiply
    165,082.63x = 247,722.32 × 59,909.80
  4. Step 4: Simplify right side
    165,082.63x = 14,840,994,646.74
  5. Step 5: Solve for x
    x = 14,840,994,646.74/165,082.63
  6. Step 6: Final answer
    x = 89,900.40

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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.