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Finding the Fourth Proportional to 100,109.80, 150,164.70 and 95,517.10

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Solution

The fourth proportional to 100,109.80, 150,164.70 and 95,517.10 is: 143,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,109.80 : 150,164.70 = 95,517.10 : x
  2. Step 2: Convert to fraction form
    100,109.80/150,164.70 = 95,517.10/x
  3. Step 3: Cross multiply
    100,109.80x = 150,164.70 × 95,517.10
  4. Step 4: Simplify right side
    100,109.80x = 14,343,296,666.37
  5. Step 5: Solve for x
    x = 14,343,296,666.37/100,109.80
  6. Step 6: Final answer
    x = 143,275.65

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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.