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Finding the Fourth Proportional to 238,624.54, 357,936.90 and 70,144.87

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Solution

The fourth proportional to 238,624.54, 357,936.90 and 70,144.87 is: 105,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,624.54 : 357,936.90 = 70,144.87 : x
  2. Step 2: Convert to fraction form
    238,624.54/357,936.90 = 70,144.87/x
  3. Step 3: Cross multiply
    238,624.54x = 357,936.90 × 70,144.87
  4. Step 4: Simplify right side
    238,624.54x = 25,107,437,318.70
  5. Step 5: Solve for x
    x = 25,107,437,318.70/238,624.54
  6. Step 6: Final answer
    x = 105,217.33

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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.