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Finding the Fourth Proportional to 95,453.80, 143,117.48 and 45,541.60

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Solution

The fourth proportional to 95,453.80, 143,117.48 and 45,541.60 is: 68,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,453.80 : 143,117.48 = 45,541.60 : x
  2. Step 2: Convert to fraction form
    95,453.80/143,117.48 = 45,541.60/x
  3. Step 3: Cross multiply
    95,453.80x = 143,117.48 × 45,541.60
  4. Step 4: Simplify right side
    95,453.80x = 6,517,799,027.17
  5. Step 5: Solve for x
    x = 6,517,799,027.17/95,453.80
  6. Step 6: Final answer
    x = 68,282.24

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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.