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Finding the Fourth Proportional to 60,338,978.85, 90,508,468.28 and 22,001,743.65

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Solution

The fourth proportional to 60,338,978.85, 90,508,468.28 and 22,001,743.65 is: 33,002,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,338,978.85 : 90,508,468.28 = 22,001,743.65 : x
  2. Step 2: Convert to fraction form
    60,338,978.85/90,508,468.28 = 22,001,743.65/x
  3. Step 3: Cross multiply
    60,338,978.85x = 90,508,468.28 × 22,001,743.65
  4. Step 4: Simplify right side
    60,338,978.85x = 1,991,344,117,140,707.75
  5. Step 5: Solve for x
    x = 1,991,344,117,140,707.75/60,338,978.85
  6. Step 6: Final answer
    x = 33,002,615.48

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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.