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Finding the Fourth Proportional to 101,513.22, 152,258.90 and 26,640.88

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Solution

The fourth proportional to 101,513.22, 152,258.90 and 26,640.88 is: 39,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,513.22 : 152,258.90 = 26,640.88 : x
  2. Step 2: Convert to fraction form
    101,513.22/152,258.90 = 26,640.88/x
  3. Step 3: Cross multiply
    101,513.22x = 152,258.90 × 26,640.88
  4. Step 4: Simplify right side
    101,513.22x = 4,056,311,083.83
  5. Step 5: Solve for x
    x = 4,056,311,083.83/101,513.22
  6. Step 6: Final answer
    x = 39,958.45

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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.