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Finding the Fourth Proportional to 231,008.60, 346,512.90 and 106,592.60

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Solution

The fourth proportional to 231,008.60, 346,512.90 and 106,592.60 is: 159,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,008.60 : 346,512.90 = 106,592.60 : x
  2. Step 2: Convert to fraction form
    231,008.60/346,512.90 = 106,592.60/x
  3. Step 3: Cross multiply
    231,008.60x = 346,512.90 × 106,592.60
  4. Step 4: Simplify right side
    231,008.60x = 36,935,710,944.54
  5. Step 5: Solve for x
    x = 36,935,710,944.54/231,008.60
  6. Step 6: Final answer
    x = 159,888.90

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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.