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Finding the Fourth Proportional to 170,489.82, 235,275.96 and 95,038.32

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Solution

The fourth proportional to 170,489.82, 235,275.96 and 95,038.32 is: 131,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,489.82 : 235,275.96 = 95,038.32 : x
  2. Step 2: Convert to fraction form
    170,489.82/235,275.96 = 95,038.32/x
  3. Step 3: Cross multiply
    170,489.82x = 235,275.96 × 95,038.32
  4. Step 4: Simplify right side
    170,489.82x = 22,360,231,974.79
  5. Step 5: Solve for x
    x = 22,360,231,974.79/170,489.82
  6. Step 6: Final answer
    x = 131,152.89

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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.