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Finding the Fourth Proportional to 170,643.92, 235,472.26 and 95,197.28

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Solution

The fourth proportional to 170,643.92, 235,472.26 and 95,197.28 is: 131,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,643.92 : 235,472.26 = 95,197.28 : x
  2. Step 2: Convert to fraction form
    170,643.92/235,472.26 = 95,197.28/x
  3. Step 3: Cross multiply
    170,643.92x = 235,472.26 × 95,197.28
  4. Step 4: Simplify right side
    170,643.92x = 22,416,318,667.45
  5. Step 5: Solve for x
    x = 22,416,318,667.45/170,643.92
  6. Step 6: Final answer
    x = 131,363.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.