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Finding the Fourth Proportional to 69,581,327.04, 96,023,532.24 and 38,644,394.40

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Solution

The fourth proportional to 69,581,327.04, 96,023,532.24 and 38,644,394.40 is: 53,329,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,327.04 : 96,023,532.24 = 38,644,394.40 : x
  2. Step 2: Convert to fraction form
    69,581,327.04/96,023,532.24 = 38,644,394.40/x
  3. Step 3: Cross multiply
    69,581,327.04x = 96,023,532.24 × 38,644,394.40
  4. Step 4: Simplify right side
    69,581,327.04x = 3,710,771,251,563,675
  5. Step 5: Solve for x
    x = 3,710,771,251,563,675/69,581,327.04
  6. Step 6: Final answer
    x = 53,329,986.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.