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Finding the Fourth Proportional to 95,548.20, 143,125.20 and 55,985.40

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Solution

The fourth proportional to 95,548.20, 143,125.20 and 55,985.40 is: 83,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,548.20 : 143,125.20 = 55,985.40 : x
  2. Step 2: Convert to fraction form
    95,548.20/143,125.20 = 55,985.40/x
  3. Step 3: Cross multiply
    95,548.20x = 143,125.20 × 55,985.40
  4. Step 4: Simplify right side
    95,548.20x = 8,012,921,572.08
  5. Step 5: Solve for x
    x = 8,012,921,572.08/95,548.20
  6. Step 6: Final answer
    x = 83,862.61

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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.