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Finding the Fourth Proportional to 95,701.80, 143,552.70 and 29,141.40

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Solution

The fourth proportional to 95,701.80, 143,552.70 and 29,141.40 is: 43,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,701.80 : 143,552.70 = 29,141.40 : x
  2. Step 2: Convert to fraction form
    95,701.80/143,552.70 = 29,141.40/x
  3. Step 3: Cross multiply
    95,701.80x = 143,552.70 × 29,141.40
  4. Step 4: Simplify right side
    95,701.80x = 4,183,326,651.78
  5. Step 5: Solve for x
    x = 4,183,326,651.78/95,701.80
  6. Step 6: Final answer
    x = 43,712.10

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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.