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Finding the Fourth Proportional to 95,135.40, 142,703.10 and 55,672.20

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Solution

The fourth proportional to 95,135.40, 142,703.10 and 55,672.20 is: 83,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,135.40 : 142,703.10 = 55,672.20 : x
  2. Step 2: Convert to fraction form
    95,135.40/142,703.10 = 55,672.20/x
  3. Step 3: Cross multiply
    95,135.40x = 142,703.10 × 55,672.20
  4. Step 4: Simplify right side
    95,135.40x = 7,944,595,523.82
  5. Step 5: Solve for x
    x = 7,944,595,523.82/95,135.40
  6. Step 6: Final answer
    x = 83,508.30

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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.