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Finding the Fourth Proportional to 48,928,728.80, 73,449,760.80 and 26,253,912.80

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Solution

The fourth proportional to 48,928,728.80, 73,449,760.80 and 26,253,912.80 is: 39,411,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928,728.80 : 73,449,760.80 = 26,253,912.80 : x
  2. Step 2: Convert to fraction form
    48,928,728.80/73,449,760.80 = 26,253,912.80/x
  3. Step 3: Cross multiply
    48,928,728.80x = 73,449,760.80 × 26,253,912.80
  4. Step 4: Simplify right side
    48,928,728.80x = 1,928,343,615,224,058.25
  5. Step 5: Solve for x
    x = 1,928,343,615,224,058.25/48,928,728.80
  6. Step 6: Final answer
    x = 39,411,275.59

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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.