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Finding the Fourth Proportional to 231,754.76, 319,826.10 and 151,233.80

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Solution

The fourth proportional to 231,754.76, 319,826.10 and 151,233.80 is: 208,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,754.76 : 319,826.10 = 151,233.80 : x
  2. Step 2: Convert to fraction form
    231,754.76/319,826.10 = 151,233.80/x
  3. Step 3: Cross multiply
    231,754.76x = 319,826.10 × 151,233.80
  4. Step 4: Simplify right side
    231,754.76x = 48,368,516,442.18
  5. Step 5: Solve for x
    x = 48,368,516,442.18/231,754.76
  6. Step 6: Final answer
    x = 208,705.60

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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.