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Finding the Fourth Proportional to 60,477,613.20, 90,751,849.20 and 22,143,002.40

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Solution

The fourth proportional to 60,477,613.20, 90,751,849.20 and 22,143,002.40 is: 33,227,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477,613.20 : 90,751,849.20 = 22,143,002.40 : x
  2. Step 2: Convert to fraction form
    60,477,613.20/90,751,849.20 = 22,143,002.40/x
  3. Step 3: Cross multiply
    60,477,613.20x = 90,751,849.20 × 22,143,002.40
  4. Step 4: Simplify right side
    60,477,613.20x = 2,009,518,414,640,038
  5. Step 5: Solve for x
    x = 2,009,518,414,640,038/60,477,613.20
  6. Step 6: Final answer
    x = 33,227,475.56

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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.