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Finding the Fourth Proportional to 70,713.29, 106,080.86 and 44,038.87

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Solution

The fourth proportional to 70,713.29, 106,080.86 and 44,038.87 is: 66,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,713.29 : 106,080.86 = 44,038.87 : x
  2. Step 2: Convert to fraction form
    70,713.29/106,080.86 = 44,038.87/x
  3. Step 3: Cross multiply
    70,713.29x = 106,080.86 × 44,038.87
  4. Step 4: Simplify right side
    70,713.29x = 4,671,680,452.43
  5. Step 5: Solve for x
    x = 4,671,680,452.43/70,713.29
  6. Step 6: Final answer
    x = 66,065.10

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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.