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Finding the Fourth Proportional to 109,500.70, 164,251.05 and 35,628.70

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Solution

The fourth proportional to 109,500.70, 164,251.05 and 35,628.70 is: 53,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,500.70 : 164,251.05 = 35,628.70 : x
  2. Step 2: Convert to fraction form
    109,500.70/164,251.05 = 35,628.70/x
  3. Step 3: Cross multiply
    109,500.70x = 164,251.05 × 35,628.70
  4. Step 4: Simplify right side
    109,500.70x = 5,852,051,385.14
  5. Step 5: Solve for x
    x = 5,852,051,385.14/109,500.70
  6. Step 6: Final answer
    x = 53,443.05

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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.