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Finding the Fourth Proportional to 95,312.40, 142,871.40 and 55,849.20

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Solution

The fourth proportional to 95,312.40, 142,871.40 and 55,849.20 is: 83,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,312.40 : 142,871.40 = 55,849.20 : x
  2. Step 2: Convert to fraction form
    95,312.40/142,871.40 = 55,849.20/x
  3. Step 3: Cross multiply
    95,312.40x = 142,871.40 × 55,849.20
  4. Step 4: Simplify right side
    95,312.40x = 7,979,253,392.88
  5. Step 5: Solve for x
    x = 7,979,253,392.88/95,312.40
  6. Step 6: Final answer
    x = 83,716.84

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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.