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Finding the Fourth Proportional to 83,605.28, 125,334.10 and 63,971.48

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Solution

The fourth proportional to 83,605.28, 125,334.10 and 63,971.48 is: 95,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,605.28 : 125,334.10 = 63,971.48 : x
  2. Step 2: Convert to fraction form
    83,605.28/125,334.10 = 63,971.48/x
  3. Step 3: Cross multiply
    83,605.28x = 125,334.10 × 63,971.48
  4. Step 4: Simplify right side
    83,605.28x = 8,017,807,871.47
  5. Step 5: Solve for x
    x = 8,017,807,871.47/83,605.28
  6. Step 6: Final answer
    x = 95,900.74

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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.