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Finding the Fourth Proportional to 195,321.51, 292,990.77 and 95,565.69

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Solution

The fourth proportional to 195,321.51, 292,990.77 and 95,565.69 is: 143,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,321.51 : 292,990.77 = 95,565.69 : x
  2. Step 2: Convert to fraction form
    195,321.51/292,990.77 = 95,565.69/x
  3. Step 3: Cross multiply
    195,321.51x = 292,990.77 × 95,565.69
  4. Step 4: Simplify right side
    195,321.51x = 27,999,865,098.68
  5. Step 5: Solve for x
    x = 27,999,865,098.68/195,321.51
  6. Step 6: Final answer
    x = 143,352.70

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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.