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Finding the Fourth Proportional to 238,548.60, 357,866.10 and 119,921.40

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Solution

The fourth proportional to 238,548.60, 357,866.10 and 119,921.40 is: 179,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,548.60 : 357,866.10 = 119,921.40 : x
  2. Step 2: Convert to fraction form
    238,548.60/357,866.10 = 119,921.40/x
  3. Step 3: Cross multiply
    238,548.60x = 357,866.10 × 119,921.40
  4. Step 4: Simplify right side
    238,548.60x = 42,915,803,724.54
  5. Step 5: Solve for x
    x = 42,915,803,724.54/238,548.60
  6. Step 6: Final answer
    x = 179,903.82

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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.