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Finding the Fourth Proportional to 238,358.90, 357,538.05 and 60,866.03

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Solution

The fourth proportional to 238,358.90, 357,538.05 and 60,866.03 is: 91,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,358.90 : 357,538.05 = 60,866.03 : x
  2. Step 2: Convert to fraction form
    238,358.90/357,538.05 = 60,866.03/x
  3. Step 3: Cross multiply
    238,358.90x = 357,538.05 × 60,866.03
  4. Step 4: Simplify right side
    238,358.90x = 21,761,922,571.29
  5. Step 5: Solve for x
    x = 21,761,922,571.29/238,358.90
  6. Step 6: Final answer
    x = 91,298.97

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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.