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Finding the Fourth Proportional to 238,866.15, 358,299.25 and 61,373.15

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Solution

The fourth proportional to 238,866.15, 358,299.25 and 61,373.15 is: 92,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,866.15 : 358,299.25 = 61,373.15 : x
  2. Step 2: Convert to fraction form
    238,866.15/358,299.25 = 61,373.15/x
  3. Step 3: Cross multiply
    238,866.15x = 358,299.25 × 61,373.15
  4. Step 4: Simplify right side
    238,866.15x = 21,989,954,357.45
  5. Step 5: Solve for x
    x = 21,989,954,357.45/238,866.15
  6. Step 6: Final answer
    x = 92,059.73

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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.