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Finding the Fourth Proportional to 173,968.66, 240,072.66 and 102,353.30

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Solution

The fourth proportional to 173,968.66, 240,072.66 and 102,353.30 is: 141,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,968.66 : 240,072.66 = 102,353.30 : x
  2. Step 2: Convert to fraction form
    173,968.66/240,072.66 = 102,353.30/x
  3. Step 3: Cross multiply
    173,968.66x = 240,072.66 × 102,353.30
  4. Step 4: Simplify right side
    173,968.66x = 24,572,228,990.78
  5. Step 5: Solve for x
    x = 24,572,228,990.78/173,968.66
  6. Step 6: Final answer
    x = 141,245.15

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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.