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Finding the Fourth Proportional to 124,549.54, 186,823.07 and 57,062.43

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Solution

The fourth proportional to 124,549.54, 186,823.07 and 57,062.43 is: 85,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,549.54 : 186,823.07 = 57,062.43 : x
  2. Step 2: Convert to fraction form
    124,549.54/186,823.07 = 57,062.43/x
  3. Step 3: Cross multiply
    124,549.54x = 186,823.07 × 57,062.43
  4. Step 4: Simplify right side
    124,549.54x = 10,660,578,496.92
  5. Step 5: Solve for x
    x = 10,660,578,496.92/124,549.54
  6. Step 6: Final answer
    x = 85,593.08

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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.