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Finding the Fourth Proportional to 124,459.62, 186,614.34 and 49,591.32

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Solution

The fourth proportional to 124,459.62, 186,614.34 and 49,591.32 is: 74,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,459.62 : 186,614.34 = 49,591.32 : x
  2. Step 2: Convert to fraction form
    124,459.62/186,614.34 = 49,591.32/x
  3. Step 3: Cross multiply
    124,459.62x = 186,614.34 × 49,591.32
  4. Step 4: Simplify right side
    124,459.62x = 9,254,451,451.53
  5. Step 5: Solve for x
    x = 9,254,451,451.53/124,459.62
  6. Step 6: Final answer
    x = 74,357.06

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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.