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Finding the Fourth Proportional to 238,448.56, 357,671.40 and 60,955.28

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Solution

The fourth proportional to 238,448.56, 357,671.40 and 60,955.28 is: 91,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,448.56 : 357,671.40 = 60,955.28 : x
  2. Step 2: Convert to fraction form
    238,448.56/357,671.40 = 60,955.28/x
  3. Step 3: Cross multiply
    238,448.56x = 357,671.40 × 60,955.28
  4. Step 4: Simplify right side
    238,448.56x = 21,801,960,334.99
  5. Step 5: Solve for x
    x = 21,801,960,334.99/238,448.56
  6. Step 6: Final answer
    x = 91,432.55

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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.