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Finding the Fourth Proportional to 240,100.68, 360,143.16 and 71,622.36

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Solution

The fourth proportional to 240,100.68, 360,143.16 and 71,622.36 is: 107,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,100.68 : 360,143.16 = 71,622.36 : x
  2. Step 2: Convert to fraction form
    240,100.68/360,143.16 = 71,622.36/x
  3. Step 3: Cross multiply
    240,100.68x = 360,143.16 × 71,622.36
  4. Step 4: Simplify right side
    240,100.68x = 25,794,303,057.06
  5. Step 5: Solve for x
    x = 25,794,303,057.06/240,100.68
  6. Step 6: Final answer
    x = 107,431.20

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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.