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Finding the Fourth Proportional to 162,231.26, 243,346.90 and 51,423.26

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Solution

The fourth proportional to 162,231.26, 243,346.90 and 51,423.26 is: 77,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,231.26 : 243,346.90 = 51,423.26 : x
  2. Step 2: Convert to fraction form
    162,231.26/243,346.90 = 51,423.26/x
  3. Step 3: Cross multiply
    162,231.26x = 243,346.90 × 51,423.26
  4. Step 4: Simplify right side
    162,231.26x = 12,513,690,908.89
  5. Step 5: Solve for x
    x = 12,513,690,908.89/162,231.26
  6. Step 6: Final answer
    x = 77,134.89

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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.