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Finding the Fourth Proportional to 53,963,308.80, 80,944,963.20 and 48,861,475.20

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Solution

The fourth proportional to 53,963,308.80, 80,944,963.20 and 48,861,475.20 is: 73,292,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963,308.80 : 80,944,963.20 = 48,861,475.20 : x
  2. Step 2: Convert to fraction form
    53,963,308.80/80,944,963.20 = 48,861,475.20/x
  3. Step 3: Cross multiply
    53,963,308.80x = 80,944,963.20 × 48,861,475.20
  4. Step 4: Simplify right side
    53,963,308.80x = 3,955,090,311,961,713
  5. Step 5: Solve for x
    x = 3,955,090,311,961,713/53,963,308.80
  6. Step 6: Final answer
    x = 73,292,212.80

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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.