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Finding the Fourth Proportional to 95,444.80, 143,167.20 and 87,134.20

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Solution

The fourth proportional to 95,444.80, 143,167.20 and 87,134.20 is: 130,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,444.80 : 143,167.20 = 87,134.20 : x
  2. Step 2: Convert to fraction form
    95,444.80/143,167.20 = 87,134.20/x
  3. Step 3: Cross multiply
    95,444.80x = 143,167.20 × 87,134.20
  4. Step 4: Simplify right side
    95,444.80x = 12,474,759,438.24
  5. Step 5: Solve for x
    x = 12,474,759,438.24/95,444.80
  6. Step 6: Final answer
    x = 130,701.30

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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.