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Finding the Fourth Proportional to 95,655.80, 143,418.90 and 48,870.20

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Solution

The fourth proportional to 95,655.80, 143,418.90 and 48,870.20 is: 73,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,655.80 : 143,418.90 = 48,870.20 : x
  2. Step 2: Convert to fraction form
    95,655.80/143,418.90 = 48,870.20/x
  3. Step 3: Cross multiply
    95,655.80x = 143,418.90 × 48,870.20
  4. Step 4: Simplify right side
    95,655.80x = 7,008,910,326.78
  5. Step 5: Solve for x
    x = 7,008,910,326.78/95,655.80
  6. Step 6: Final answer
    x = 73,272.19

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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.