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Finding the Fourth Proportional to 110,250.15, 165,575.70 and 65,963.40

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Solution

The fourth proportional to 110,250.15, 165,575.70 and 65,963.40 is: 99,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,250.15 : 165,575.70 = 65,963.40 : x
  2. Step 2: Convert to fraction form
    110,250.15/165,575.70 = 65,963.40/x
  3. Step 3: Cross multiply
    110,250.15x = 165,575.70 × 65,963.40
  4. Step 4: Simplify right side
    110,250.15x = 10,921,936,129.38
  5. Step 5: Solve for x
    x = 10,921,936,129.38/110,250.15
  6. Step 6: Final answer
    x = 99,065.05

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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.