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Finding the Fourth Proportional to 101,498.77, 152,257.13 and 26,618.66

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Solution

The fourth proportional to 101,498.77, 152,257.13 and 26,618.66 is: 39,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,498.77 : 152,257.13 = 26,618.66 : x
  2. Step 2: Convert to fraction form
    101,498.77/152,257.13 = 26,618.66/x
  3. Step 3: Cross multiply
    101,498.77x = 152,257.13 × 26,618.66
  4. Step 4: Simplify right side
    101,498.77x = 4,052,880,776.05
  5. Step 5: Solve for x
    x = 4,052,880,776.05/101,498.77
  6. Step 6: Final answer
    x = 39,930.34

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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.