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Finding the Fourth Proportional to 238,088.60, 356,905.08 and 88,288.82

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Solution

The fourth proportional to 238,088.60, 356,905.08 and 88,288.82 is: 132,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,088.60 : 356,905.08 = 88,288.82 : x
  2. Step 2: Convert to fraction form
    238,088.60/356,905.08 = 88,288.82/x
  3. Step 3: Cross multiply
    238,088.60x = 356,905.08 × 88,288.82
  4. Step 4: Simplify right side
    238,088.60x = 31,510,726,580.68
  5. Step 5: Solve for x
    x = 31,510,726,580.68/238,088.60
  6. Step 6: Final answer
    x = 132,348.74

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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.