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Finding the Fourth Proportional to 238,402.56, 357,595.68 and 111,972.06

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Solution

The fourth proportional to 238,402.56, 357,595.68 and 111,972.06 is: 167,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,402.56 : 357,595.68 = 111,972.06 : x
  2. Step 2: Convert to fraction form
    238,402.56/357,595.68 = 111,972.06/x
  3. Step 3: Cross multiply
    238,402.56x = 357,595.68 × 111,972.06
  4. Step 4: Simplify right side
    238,402.56x = 40,040,724,936.70
  5. Step 5: Solve for x
    x = 40,040,724,936.70/238,402.56
  6. Step 6: Final answer
    x = 167,954.26

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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.