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Finding the Fourth Proportional to 162,191.70, 243,294.17 and 55,648.92

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Solution

The fourth proportional to 162,191.70, 243,294.17 and 55,648.92 is: 83,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,191.70 : 243,294.17 = 55,648.92 : x
  2. Step 2: Convert to fraction form
    162,191.70/243,294.17 = 55,648.92/x
  3. Step 3: Cross multiply
    162,191.70x = 243,294.17 × 55,648.92
  4. Step 4: Simplify right side
    162,191.70x = 13,539,057,802.80
  5. Step 5: Solve for x
    x = 13,539,057,802.80/162,191.70
  6. Step 6: Final answer
    x = 83,475.65

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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.