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Finding the Fourth Proportional to 88,951.86, 122,733.50 and 53,134.88

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Solution

The fourth proportional to 88,951.86, 122,733.50 and 53,134.88 is: 73,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,951.86 : 122,733.50 = 53,134.88 : x
  2. Step 2: Convert to fraction form
    88,951.86/122,733.50 = 53,134.88/x
  3. Step 3: Cross multiply
    88,951.86x = 122,733.50 × 53,134.88
  4. Step 4: Simplify right side
    88,951.86x = 6,521,428,915.14
  5. Step 5: Solve for x
    x = 6,521,428,915.14/88,951.86
  6. Step 6: Final answer
    x = 73,314.14

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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.