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Finding the Fourth Proportional to 162,670.56, 243,978.15 and 44,314.20

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Solution

The fourth proportional to 162,670.56, 243,978.15 and 44,314.20 is: 66,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,670.56 : 243,978.15 = 44,314.20 : x
  2. Step 2: Convert to fraction form
    162,670.56/243,978.15 = 44,314.20/x
  3. Step 3: Cross multiply
    162,670.56x = 243,978.15 × 44,314.20
  4. Step 4: Simplify right side
    162,670.56x = 10,811,696,534.73
  5. Step 5: Solve for x
    x = 10,811,696,534.73/162,670.56
  6. Step 6: Final answer
    x = 66,463.76

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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.