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Finding the Fourth Proportional to 124,652.40, 186,867.36 and 54,476.16

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Solution

The fourth proportional to 124,652.40, 186,867.36 and 54,476.16 is: 81,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,652.40 : 186,867.36 = 54,476.16 : x
  2. Step 2: Convert to fraction form
    124,652.40/186,867.36 = 54,476.16/x
  3. Step 3: Cross multiply
    124,652.40x = 186,867.36 × 54,476.16
  4. Step 4: Simplify right side
    124,652.40x = 10,179,816,202.14
  5. Step 5: Solve for x
    x = 10,179,816,202.14/124,652.40
  6. Step 6: Final answer
    x = 81,665.63

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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.