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Finding the Fourth Proportional to 149,243.49, 205,951.28 and 88,800.30

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Solution

The fourth proportional to 149,243.49, 205,951.28 and 88,800.30 is: 122,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,243.49 : 205,951.28 = 88,800.30 : x
  2. Step 2: Convert to fraction form
    149,243.49/205,951.28 = 88,800.30/x
  3. Step 3: Cross multiply
    149,243.49x = 205,951.28 × 88,800.30
  4. Step 4: Simplify right side
    149,243.49x = 18,288,535,005.38
  5. Step 5: Solve for x
    x = 18,288,535,005.38/149,243.49
  6. Step 6: Final answer
    x = 122,541.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.