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Finding the Fourth Proportional to 124,843.41, 187,264.29 and 49,980.87

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Solution

The fourth proportional to 124,843.41, 187,264.29 and 49,980.87 is: 74,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.41 : 187,264.29 = 49,980.87 : x
  2. Step 2: Convert to fraction form
    124,843.41/187,264.29 = 49,980.87/x
  3. Step 3: Cross multiply
    124,843.41x = 187,264.29 × 49,980.87
  4. Step 4: Simplify right side
    124,843.41x = 9,359,632,134.13
  5. Step 5: Solve for x
    x = 9,359,632,134.13/124,843.41
  6. Step 6: Final answer
    x = 74,970.97

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1.5x scale

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.