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Finding the Fourth Proportional to 124,952, 187,453.92 and 51,080

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Solution

The fourth proportional to 124,952, 187,453.92 and 51,080 is: 76,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,952 : 187,453.92 = 51,080 : x
  2. Step 2: Convert to fraction form
    124,952/187,453.92 = 51,080/x
  3. Step 3: Cross multiply
    124,952x = 187,453.92 × 51,080
  4. Step 4: Simplify right side
    124,952x = 9,575,146,233.60
  5. Step 5: Solve for x
    x = 9,575,146,233.60/124,952
  6. Step 6: Final answer
    x = 76,630.60

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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.