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Finding the Fourth Proportional to 124,717.40, 187,100.40 and 49,824.80

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Solution

The fourth proportional to 124,717.40, 187,100.40 and 49,824.80 is: 74,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,717.40 : 187,100.40 = 49,824.80 : x
  2. Step 2: Convert to fraction form
    124,717.40/187,100.40 = 49,824.80/x
  3. Step 3: Cross multiply
    124,717.40x = 187,100.40 × 49,824.80
  4. Step 4: Simplify right side
    124,717.40x = 9,322,240,009.92
  5. Step 5: Solve for x
    x = 9,322,240,009.92/124,717.40
  6. Step 6: Final answer
    x = 74,746.91

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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.