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Finding the Fourth Proportional to 96,351.70, 144,441.15 and 85,854.10

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Solution

The fourth proportional to 96,351.70, 144,441.15 and 85,854.10 is: 128,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,351.70 : 144,441.15 = 85,854.10 : x
  2. Step 2: Convert to fraction form
    96,351.70/144,441.15 = 85,854.10/x
  3. Step 3: Cross multiply
    96,351.70x = 144,441.15 × 85,854.10
  4. Step 4: Simplify right side
    96,351.70x = 12,400,864,936.22
  5. Step 5: Solve for x
    x = 12,400,864,936.22/96,351.70
  6. Step 6: Final answer
    x = 128,704.16

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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.