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Finding the Fourth Proportional to 83,141.71, 124,711.65 and 23,975.46

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Solution

The fourth proportional to 83,141.71, 124,711.65 and 23,975.46 is: 35,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,141.71 : 124,711.65 = 23,975.46 : x
  2. Step 2: Convert to fraction form
    83,141.71/124,711.65 = 23,975.46/x
  3. Step 3: Cross multiply
    83,141.71x = 124,711.65 × 23,975.46
  4. Step 4: Simplify right side
    83,141.71x = 2,990,019,176.11
  5. Step 5: Solve for x
    x = 2,990,019,176.11/83,141.71
  6. Step 6: Final answer
    x = 35,962.93

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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.