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Finding the Fourth Proportional to 238,441.43, 357,717.54 and 69,954.95

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Solution

The fourth proportional to 238,441.43, 357,717.54 and 69,954.95 is: 104,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,441.43 : 357,717.54 = 69,954.95 : x
  2. Step 2: Convert to fraction form
    238,441.43/357,717.54 = 69,954.95/x
  3. Step 3: Cross multiply
    238,441.43x = 357,717.54 × 69,954.95
  4. Step 4: Simplify right side
    238,441.43x = 25,024,112,624.82
  5. Step 5: Solve for x
    x = 25,024,112,624.82/238,441.43
  6. Step 6: Final answer
    x = 104,948.68

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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.