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Finding the Fourth Proportional to 107,080.32, 147,764.16 and 59,330.88

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Solution

The fourth proportional to 107,080.32, 147,764.16 and 59,330.88 is: 81,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,080.32 : 147,764.16 = 59,330.88 : x
  2. Step 2: Convert to fraction form
    107,080.32/147,764.16 = 59,330.88/x
  3. Step 3: Cross multiply
    107,080.32x = 147,764.16 × 59,330.88
  4. Step 4: Simplify right side
    107,080.32x = 8,766,977,645.26
  5. Step 5: Solve for x
    x = 8,766,977,645.26/107,080.32
  6. Step 6: Final answer
    x = 81,872.91

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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.