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Finding the Fourth Proportional to 95,461.20, 131,730.84 and 53,017.20

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Solution

The fourth proportional to 95,461.20, 131,730.84 and 53,017.20 is: 73,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,461.20 : 131,730.84 = 53,017.20 : x
  2. Step 2: Convert to fraction form
    95,461.20/131,730.84 = 53,017.20/x
  3. Step 3: Cross multiply
    95,461.20x = 131,730.84 × 53,017.20
  4. Step 4: Simplify right side
    95,461.20x = 6,984,000,290.45
  5. Step 5: Solve for x
    x = 6,984,000,290.45/95,461.20
  6. Step 6: Final answer
    x = 73,160.62

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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.