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Finding the Fourth Proportional to 68,332, 94,306.37 and 40,037.69

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Solution

The fourth proportional to 68,332, 94,306.37 and 40,037.69 is: 55,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332 : 94,306.37 = 40,037.69 : x
  2. Step 2: Convert to fraction form
    68,332/94,306.37 = 40,037.69/x
  3. Step 3: Cross multiply
    68,332x = 94,306.37 × 40,037.69
  4. Step 4: Simplify right side
    68,332x = 3,775,809,207.09
  5. Step 5: Solve for x
    x = 3,775,809,207.09/68,332
  6. Step 6: Final answer
    x = 55,256.82

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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.