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Finding the Fourth Proportional to 95,395.40, 143,047.02 and 55,965.32

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Solution

The fourth proportional to 95,395.40, 143,047.02 and 55,965.32 is: 83,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,395.40 : 143,047.02 = 55,965.32 : x
  2. Step 2: Convert to fraction form
    95,395.40/143,047.02 = 55,965.32/x
  3. Step 3: Cross multiply
    95,395.40x = 143,047.02 × 55,965.32
  4. Step 4: Simplify right side
    95,395.40x = 8,005,672,249.35
  5. Step 5: Solve for x
    x = 8,005,672,249.35/95,395.40
  6. Step 6: Final answer
    x = 83,920.95

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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.