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Finding the Fourth Proportional to 70,004.67, 105,006.56 and 41,932.71

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Solution

The fourth proportional to 70,004.67, 105,006.56 and 41,932.71 is: 62,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.67 : 105,006.56 = 41,932.71 : x
  2. Step 2: Convert to fraction form
    70,004.67/105,006.56 = 41,932.71/x
  3. Step 3: Cross multiply
    70,004.67x = 105,006.56 × 41,932.71
  4. Step 4: Simplify right side
    70,004.67x = 4,403,209,418.91
  5. Step 5: Solve for x
    x = 4,403,209,418.91/70,004.67
  6. Step 6: Final answer
    x = 62,898.80

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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.