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Finding the Fourth Proportional to 95,660.16, 143,490 and 45,588.48

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Solution

The fourth proportional to 95,660.16, 143,490 and 45,588.48 is: 68,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,660.16 : 143,490 = 45,588.48 : x
  2. Step 2: Convert to fraction form
    95,660.16/143,490 = 45,588.48/x
  3. Step 3: Cross multiply
    95,660.16x = 143,490 × 45,588.48
  4. Step 4: Simplify right side
    95,660.16x = 6,541,490,995.20
  5. Step 5: Solve for x
    x = 6,541,490,995.20/95,660.16
  6. Step 6: Final answer
    x = 68,382.61

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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.