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Finding the Fourth Proportional to 125,486.08, 173,174.40 and 71,034.04

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Solution

The fourth proportional to 125,486.08, 173,174.40 and 71,034.04 is: 98,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,486.08 : 173,174.40 = 71,034.04 : x
  2. Step 2: Convert to fraction form
    125,486.08/173,174.40 = 71,034.04/x
  3. Step 3: Cross multiply
    125,486.08x = 173,174.40 × 71,034.04
  4. Step 4: Simplify right side
    125,486.08x = 12,301,277,256.58
  5. Step 5: Solve for x
    x = 12,301,277,256.58/125,486.08
  6. Step 6: Final answer
    x = 98,029.02

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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.