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Finding the Fourth Proportional to 137,504.52, 206,258.70 and 39,008.52

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Solution

The fourth proportional to 137,504.52, 206,258.70 and 39,008.52 is: 58,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,504.52 : 206,258.70 = 39,008.52 : x
  2. Step 2: Convert to fraction form
    137,504.52/206,258.70 = 39,008.52/x
  3. Step 3: Cross multiply
    137,504.52x = 206,258.70 × 39,008.52
  4. Step 4: Simplify right side
    137,504.52x = 8,045,846,624.12
  5. Step 5: Solve for x
    x = 8,045,846,624.12/137,504.52
  6. Step 6: Final answer
    x = 58,513.32

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1.5x scale

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.