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Finding the Fourth Proportional to 95,608.56, 143,429.92 and 39,417.42

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Solution

The fourth proportional to 95,608.56, 143,429.92 and 39,417.42 is: 59,133.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,608.56 : 143,429.92 = 39,417.42 : x
  2. Step 2: Convert to fraction form
    95,608.56/143,429.92 = 39,417.42/x
  3. Step 3: Cross multiply
    95,608.56x = 143,429.92 × 39,417.42
  4. Step 4: Simplify right side
    95,608.56x = 5,653,637,397.21
  5. Step 5: Solve for x
    x = 5,653,637,397.21/95,608.56
  6. Step 6: Final answer
    x = 59,133.17

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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.