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Finding the Fourth Proportional to 238,427.40, 357,641.10 and 60,948.30

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Solution

The fourth proportional to 238,427.40, 357,641.10 and 60,948.30 is: 91,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,427.40 : 357,641.10 = 60,948.30 : x
  2. Step 2: Convert to fraction form
    238,427.40/357,641.10 = 60,948.30/x
  3. Step 3: Cross multiply
    238,427.40x = 357,641.10 × 60,948.30
  4. Step 4: Simplify right side
    238,427.40x = 21,797,617,055.13
  5. Step 5: Solve for x
    x = 21,797,617,055.13/238,427.40
  6. Step 6: Final answer
    x = 91,422.45

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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.