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Finding the Fourth Proportional to 175,083.71, 262,630.89 and 68,463.41

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Solution

The fourth proportional to 175,083.71, 262,630.89 and 68,463.41 is: 102,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,083.71 : 262,630.89 = 68,463.41 : x
  2. Step 2: Convert to fraction form
    175,083.71/262,630.89 = 68,463.41/x
  3. Step 3: Cross multiply
    175,083.71x = 262,630.89 × 68,463.41
  4. Step 4: Simplify right side
    175,083.71x = 17,980,604,987.58
  5. Step 5: Solve for x
    x = 17,980,604,987.58/175,083.71
  6. Step 6: Final answer
    x = 102,697.19

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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.