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Finding the Fourth Proportional to 60,661,668.80, 90,992,503.20 and 17,532,279.20

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Solution

The fourth proportional to 60,661,668.80, 90,992,503.20 and 17,532,279.20 is: 26,298,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661,668.80 : 90,992,503.20 = 17,532,279.20 : x
  2. Step 2: Convert to fraction form
    60,661,668.80/90,992,503.20 = 17,532,279.20/x
  3. Step 3: Cross multiply
    60,661,668.80x = 90,992,503.20 × 17,532,279.20
  4. Step 4: Simplify right side
    60,661,668.80x = 1,595,305,971,209,293.50
  5. Step 5: Solve for x
    x = 1,595,305,971,209,293.50/60,661,668.80
  6. Step 6: Final answer
    x = 26,298,418.80

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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.