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Finding the Fourth Proportional to 98,486.76, 135,518.04 and 95,731.14

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Solution

The fourth proportional to 98,486.76, 135,518.04 and 95,731.14 is: 131,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,486.76 : 135,518.04 = 95,731.14 : x
  2. Step 2: Convert to fraction form
    98,486.76/135,518.04 = 95,731.14/x
  3. Step 3: Cross multiply
    98,486.76x = 135,518.04 × 95,731.14
  4. Step 4: Simplify right side
    98,486.76x = 12,973,296,459.77
  5. Step 5: Solve for x
    x = 12,973,296,459.77/98,486.76
  6. Step 6: Final answer
    x = 131,726.30

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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.