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Finding the Fourth Proportional to 110,668.86, 152,722.71 and 60,367.50

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Solution

The fourth proportional to 110,668.86, 152,722.71 and 60,367.50 is: 83,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668.86 : 152,722.71 = 60,367.50 : x
  2. Step 2: Convert to fraction form
    110,668.86/152,722.71 = 60,367.50/x
  3. Step 3: Cross multiply
    110,668.86x = 152,722.71 × 60,367.50
  4. Step 4: Simplify right side
    110,668.86x = 9,219,488,195.93
  5. Step 5: Solve for x
    x = 9,219,488,195.93/110,668.86
  6. Step 6: Final answer
    x = 83,306.98

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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.