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Finding the Fourth Proportional to 244,896.70, 367,258.65 and 87,130.30

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Solution

The fourth proportional to 244,896.70, 367,258.65 and 87,130.30 is: 130,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,896.70 : 367,258.65 = 87,130.30 : x
  2. Step 2: Convert to fraction form
    244,896.70/367,258.65 = 87,130.30/x
  3. Step 3: Cross multiply
    244,896.70x = 367,258.65 × 87,130.30
  4. Step 4: Simplify right side
    244,896.70x = 31,999,356,352.10
  5. Step 5: Solve for x
    x = 31,999,356,352.10/244,896.70
  6. Step 6: Final answer
    x = 130,664.71

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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.