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Finding the Fourth Proportional to 162,693.12, 243,973.92 and 50,346.96

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Solution

The fourth proportional to 162,693.12, 243,973.92 and 50,346.96 is: 75,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,693.12 : 243,973.92 = 50,346.96 : x
  2. Step 2: Convert to fraction form
    162,693.12/243,973.92 = 50,346.96/x
  3. Step 3: Cross multiply
    162,693.12x = 243,973.92 × 50,346.96
  4. Step 4: Simplify right side
    162,693.12x = 12,283,345,191.28
  5. Step 5: Solve for x
    x = 12,283,345,191.28/162,693.12
  6. Step 6: Final answer
    x = 75,500.09

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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.