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Finding the Fourth Proportional to 95,129.04, 131,279.04 and 57,396

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Solution

The fourth proportional to 95,129.04, 131,279.04 and 57,396 is: 79,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,129.04 : 131,279.04 = 57,396 : x
  2. Step 2: Convert to fraction form
    95,129.04/131,279.04 = 57,396/x
  3. Step 3: Cross multiply
    95,129.04x = 131,279.04 × 57,396
  4. Step 4: Simplify right side
    95,129.04x = 7,534,891,779.84
  5. Step 5: Solve for x
    x = 7,534,891,779.84/95,129.04
  6. Step 6: Final answer
    x = 79,207.06

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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.