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Finding the Fourth Proportional to 100,962.92, 151,446.86 and 48,314.60

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Solution

The fourth proportional to 100,962.92, 151,446.86 and 48,314.60 is: 72,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,962.92 : 151,446.86 = 48,314.60 : x
  2. Step 2: Convert to fraction form
    100,962.92/151,446.86 = 48,314.60/x
  3. Step 3: Cross multiply
    100,962.92x = 151,446.86 × 48,314.60
  4. Step 4: Simplify right side
    100,962.92x = 7,317,094,462.16
  5. Step 5: Solve for x
    x = 7,317,094,462.16/100,962.92
  6. Step 6: Final answer
    x = 72,473.09

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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.