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Finding the Fourth Proportional to 107,150.47, 147,871.25 and 59,400.97

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Solution

The fourth proportional to 107,150.47, 147,871.25 and 59,400.97 is: 81,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,150.47 : 147,871.25 = 59,400.97 : x
  2. Step 2: Convert to fraction form
    107,150.47/147,871.25 = 59,400.97/x
  3. Step 3: Cross multiply
    107,150.47x = 147,871.25 × 59,400.97
  4. Step 4: Simplify right side
    107,150.47x = 8,783,695,685.11
  5. Step 5: Solve for x
    x = 8,783,695,685.11/107,150.47
  6. Step 6: Final answer
    x = 81,975.34

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1.5x scale

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.