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Finding the Fourth Proportional to 238,487.19, 357,729.33 and 60,993.90

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Solution

The fourth proportional to 238,487.19, 357,729.33 and 60,993.90 is: 91,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,487.19 : 357,729.33 = 60,993.90 : x
  2. Step 2: Convert to fraction form
    238,487.19/357,729.33 = 60,993.90/x
  3. Step 3: Cross multiply
    238,487.19x = 357,729.33 × 60,993.90
  4. Step 4: Simplify right side
    238,487.19x = 21,819,306,981.09
  5. Step 5: Solve for x
    x = 21,819,306,981.09/238,487.19
  6. Step 6: Final answer
    x = 91,490.48

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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.