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Finding the Fourth Proportional to 216,750.60, 324,712.80 and 116,877.60

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Solution

The fourth proportional to 216,750.60, 324,712.80 and 116,877.60 is: 175,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,750.60 : 324,712.80 = 116,877.60 : x
  2. Step 2: Convert to fraction form
    216,750.60/324,712.80 = 116,877.60/x
  3. Step 3: Cross multiply
    216,750.60x = 324,712.80 × 116,877.60
  4. Step 4: Simplify right side
    216,750.60x = 37,951,652,753.28
  5. Step 5: Solve for x
    x = 37,951,652,753.28/216,750.60
  6. Step 6: Final answer
    x = 175,093.65

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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.