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Finding the Fourth Proportional to 173,575.31, 260,461.31 and 68,468.09

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Solution

The fourth proportional to 173,575.31, 260,461.31 and 68,468.09 is: 102,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,575.31 : 260,461.31 = 68,468.09 : x
  2. Step 2: Convert to fraction form
    173,575.31/260,461.31 = 68,468.09/x
  3. Step 3: Cross multiply
    173,575.31x = 260,461.31 × 68,468.09
  4. Step 4: Simplify right side
    173,575.31x = 17,833,286,769.95
  5. Step 5: Solve for x
    x = 17,833,286,769.95/173,575.31
  6. Step 6: Final answer
    x = 102,740.92

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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.