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Finding the Fourth Proportional to 107,140.68, 147,851.46 and 59,393.88

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Solution

The fourth proportional to 107,140.68, 147,851.46 and 59,393.88 is: 81,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,140.68 : 147,851.46 = 59,393.88 : x
  2. Step 2: Convert to fraction form
    107,140.68/147,851.46 = 59,393.88/x
  3. Step 3: Cross multiply
    107,140.68x = 147,851.46 × 59,393.88
  4. Step 4: Simplify right side
    107,140.68x = 8,781,471,873.06
  5. Step 5: Solve for x
    x = 8,781,471,873.06/107,140.68
  6. Step 6: Final answer
    x = 81,962.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.