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Finding the Fourth Proportional to 55,555,592.80, 83,333,398.80 and 23,189,839.20

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Solution

The fourth proportional to 55,555,592.80, 83,333,398.80 and 23,189,839.20 is: 34,784,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555,592.80 : 83,333,398.80 = 23,189,839.20 : x
  2. Step 2: Convert to fraction form
    55,555,592.80/83,333,398.80 = 23,189,839.20/x
  3. Step 3: Cross multiply
    55,555,592.80x = 83,333,398.80 × 23,189,839.20
  4. Step 4: Simplify right side
    55,555,592.80x = 1,932,488,118,161,472.75
  5. Step 5: Solve for x
    x = 1,932,488,118,161,472.75/55,555,592.80
  6. Step 6: Final answer
    x = 34,784,762.81

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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.