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Finding the Fourth Proportional to 68,008.59, 93,865.29 and 43,463.70

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Solution

The fourth proportional to 68,008.59, 93,865.29 and 43,463.70 is: 59,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,008.59 : 93,865.29 = 43,463.70 : x
  2. Step 2: Convert to fraction form
    68,008.59/93,865.29 = 43,463.70/x
  3. Step 3: Cross multiply
    68,008.59x = 93,865.29 × 43,463.70
  4. Step 4: Simplify right side
    68,008.59x = 4,079,732,804.97
  5. Step 5: Solve for x
    x = 4,079,732,804.97/68,008.59
  6. Step 6: Final answer
    x = 59,988.49

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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.