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Finding the Fourth Proportional to 88,657.96, 132,939.94 and 38,679.67

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Solution

The fourth proportional to 88,657.96, 132,939.94 and 38,679.67 is: 57,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.96 : 132,939.94 = 38,679.67 : x
  2. Step 2: Convert to fraction form
    88,657.96/132,939.94 = 38,679.67/x
  3. Step 3: Cross multiply
    88,657.96x = 132,939.94 × 38,679.67
  4. Step 4: Simplify right side
    88,657.96x = 5,142,072,885.91
  5. Step 5: Solve for x
    x = 5,142,072,885.91/88,657.96
  6. Step 6: Final answer
    x = 57,999.00

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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.