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Finding the Fourth Proportional to 64,863.72, 97,081.20 and 59,034.96

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Solution

The fourth proportional to 64,863.72, 97,081.20 and 59,034.96 is: 88,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,863.72 : 97,081.20 = 59,034.96 : x
  2. Step 2: Convert to fraction form
    64,863.72/97,081.20 = 59,034.96/x
  3. Step 3: Cross multiply
    64,863.72x = 97,081.20 × 59,034.96
  4. Step 4: Simplify right side
    64,863.72x = 5,731,184,758.75
  5. Step 5: Solve for x
    x = 5,731,184,758.75/64,863.72
  6. Step 6: Final answer
    x = 88,357.32

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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.