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Finding the Fourth Proportional to 109,718.70, 164,578.06 and 26,612.70

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Solution

The fourth proportional to 109,718.70, 164,578.06 and 26,612.70 is: 39,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,718.70 : 164,578.06 = 26,612.70 : x
  2. Step 2: Convert to fraction form
    109,718.70/164,578.06 = 26,612.70/x
  3. Step 3: Cross multiply
    109,718.70x = 164,578.06 × 26,612.70
  4. Step 4: Simplify right side
    109,718.70x = 4,379,866,537.36
  5. Step 5: Solve for x
    x = 4,379,866,537.36/109,718.70
  6. Step 6: Final answer
    x = 39,919.05

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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.