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Finding the Fourth Proportional to 170,291.32, 234,992.10 and 125,158.84

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Solution

The fourth proportional to 170,291.32, 234,992.10 and 125,158.84 is: 172,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291.32 : 234,992.10 = 125,158.84 : x
  2. Step 2: Convert to fraction form
    170,291.32/234,992.10 = 125,158.84/x
  3. Step 3: Cross multiply
    170,291.32x = 234,992.10 × 125,158.84
  4. Step 4: Simplify right side
    170,291.32x = 29,411,338,645.16
  5. Step 5: Solve for x
    x = 29,411,338,645.16/170,291.32
  6. Step 6: Final answer
    x = 172,711.91

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