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Finding the Fourth Proportional to 88,505.53, 122,081.83 and 52,668.79

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Solution

The fourth proportional to 88,505.53, 122,081.83 and 52,668.79 is: 72,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,505.53 : 122,081.83 = 52,668.79 : x
  2. Step 2: Convert to fraction form
    88,505.53/122,081.83 = 52,668.79/x
  3. Step 3: Cross multiply
    88,505.53x = 122,081.83 × 52,668.79
  4. Step 4: Simplify right side
    88,505.53x = 6,429,902,267.09
  5. Step 5: Solve for x
    x = 6,429,902,267.09/88,505.53
  6. Step 6: Final answer
    x = 72,649.72

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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.