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Finding the Fourth Proportional to 238,084.80, 356,875.20 and 88,228.80

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Solution

The fourth proportional to 238,084.80, 356,875.20 and 88,228.80 is: 132,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,084.80 : 356,875.20 = 88,228.80 : x
  2. Step 2: Convert to fraction form
    238,084.80/356,875.20 = 88,228.80/x
  3. Step 3: Cross multiply
    238,084.80x = 356,875.20 × 88,228.80
  4. Step 4: Simplify right side
    238,084.80x = 31,486,670,645.76
  5. Step 5: Solve for x
    x = 31,486,670,645.76/238,084.80
  6. Step 6: Final answer
    x = 132,249.81

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1.5x scale

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.