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Finding the Fourth Proportional to 100,641.04, 150,961.40 and 26,769.04

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Solution

The fourth proportional to 100,641.04, 150,961.40 and 26,769.04 is: 40,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,641.04 : 150,961.40 = 26,769.04 : x
  2. Step 2: Convert to fraction form
    100,641.04/150,961.40 = 26,769.04/x
  3. Step 3: Cross multiply
    100,641.04x = 150,961.40 × 26,769.04
  4. Step 4: Simplify right side
    100,641.04x = 4,041,091,755.06
  5. Step 5: Solve for x
    x = 4,041,091,755.06/100,641.04
  6. Step 6: Final answer
    x = 40,153.52

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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.