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Finding the Fourth Proportional to 109,031.26, 163,546.88 and 35,159.26

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Solution

The fourth proportional to 109,031.26, 163,546.88 and 35,159.26 is: 52,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,031.26 : 163,546.88 = 35,159.26 : x
  2. Step 2: Convert to fraction form
    109,031.26/163,546.88 = 35,159.26/x
  3. Step 3: Cross multiply
    109,031.26x = 163,546.88 × 35,159.26
  4. Step 4: Simplify right side
    109,031.26x = 5,750,187,276.11
  5. Step 5: Solve for x
    x = 5,750,187,276.11/109,031.26
  6. Step 6: Final answer
    x = 52,738.89

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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.