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Finding the Fourth Proportional to 170,264.32, 234,962.52 and 93,781.96

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Solution

The fourth proportional to 170,264.32, 234,962.52 and 93,781.96 is: 129,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,264.32 : 234,962.52 = 93,781.96 : x
  2. Step 2: Convert to fraction form
    170,264.32/234,962.52 = 93,781.96/x
  3. Step 3: Cross multiply
    170,264.32x = 234,962.52 × 93,781.96
  4. Step 4: Simplify right side
    170,264.32x = 22,035,245,652.14
  5. Step 5: Solve for x
    x = 22,035,245,652.14/170,264.32
  6. Step 6: Final answer
    x = 129,417.87

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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.