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Finding the Fourth Proportional to 89,956.59, 134,911.34 and 26,759.69

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Solution

The fourth proportional to 89,956.59, 134,911.34 and 26,759.69 is: 40,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,956.59 : 134,911.34 = 26,759.69 : x
  2. Step 2: Convert to fraction form
    89,956.59/134,911.34 = 26,759.69/x
  3. Step 3: Cross multiply
    89,956.59x = 134,911.34 × 26,759.69
  4. Step 4: Simplify right side
    89,956.59x = 3,610,184,827.53
  5. Step 5: Solve for x
    x = 3,610,184,827.53/89,956.59
  6. Step 6: Final answer
    x = 40,132.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.