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Finding the Fourth Proportional to 109,496.19, 164,244.29 and 26,390.19

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Solution

The fourth proportional to 109,496.19, 164,244.29 and 26,390.19 is: 39,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,496.19 : 164,244.29 = 26,390.19 : x
  2. Step 2: Convert to fraction form
    109,496.19/164,244.29 = 26,390.19/x
  3. Step 3: Cross multiply
    109,496.19x = 164,244.29 × 26,390.19
  4. Step 4: Simplify right side
    109,496.19x = 4,334,438,019.52
  5. Step 5: Solve for x
    x = 4,334,438,019.52/109,496.19
  6. Step 6: Final answer
    x = 39,585.29

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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.