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Finding the Fourth Proportional to 83,139.93, 114,770.88 and 52,966.63

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Solution

The fourth proportional to 83,139.93, 114,770.88 and 52,966.63 is: 73,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,139.93 : 114,770.88 = 52,966.63 : x
  2. Step 2: Convert to fraction form
    83,139.93/114,770.88 = 52,966.63/x
  3. Step 3: Cross multiply
    83,139.93x = 114,770.88 × 52,966.63
  4. Step 4: Simplify right side
    83,139.93x = 6,079,026,470.90
  5. Step 5: Solve for x
    x = 6,079,026,470.90/83,139.93
  6. Step 6: Final answer
    x = 73,118.01

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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.