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Finding the Fourth Proportional to 106,871.68, 147,487.26 and 59,124.25

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Solution

The fourth proportional to 106,871.68, 147,487.26 and 59,124.25 is: 81,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,871.68 : 147,487.26 = 59,124.25 : x
  2. Step 2: Convert to fraction form
    106,871.68/147,487.26 = 59,124.25/x
  3. Step 3: Cross multiply
    106,871.68x = 147,487.26 × 59,124.25
  4. Step 4: Simplify right side
    106,871.68x = 8,720,073,632.06
  5. Step 5: Solve for x
    x = 8,720,073,632.06/106,871.68
  6. Step 6: Final answer
    x = 81,593.87

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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.