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Finding the Fourth Proportional to 187,551.96, 258,819.96 and 101,509.20

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Solution

The fourth proportional to 187,551.96, 258,819.96 and 101,509.20 is: 140,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,551.96 : 258,819.96 = 101,509.20 : x
  2. Step 2: Convert to fraction form
    187,551.96/258,819.96 = 101,509.20/x
  3. Step 3: Cross multiply
    187,551.96x = 258,819.96 × 101,509.20
  4. Step 4: Simplify right side
    187,551.96x = 26,272,606,893.30
  5. Step 5: Solve for x
    x = 26,272,606,893.30/187,551.96
  6. Step 6: Final answer
    x = 140,081.75

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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.