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Finding the Fourth Proportional to 110,046.34, 165,080.46 and 39,931.12

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Solution

The fourth proportional to 110,046.34, 165,080.46 and 39,931.12 is: 59,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,046.34 : 165,080.46 = 39,931.12 : x
  2. Step 2: Convert to fraction form
    110,046.34/165,080.46 = 39,931.12/x
  3. Step 3: Cross multiply
    110,046.34x = 165,080.46 × 39,931.12
  4. Step 4: Simplify right side
    110,046.34x = 6,591,847,657.92
  5. Step 5: Solve for x
    x = 6,591,847,657.92/110,046.34
  6. Step 6: Final answer
    x = 59,900.65

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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.