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Finding the Fourth Proportional to 270,025.20, 404,713.80 and 112,172.40

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Solution

The fourth proportional to 270,025.20, 404,713.80 and 112,172.40 is: 168,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,025.20 : 404,713.80 = 112,172.40 : x
  2. Step 2: Convert to fraction form
    270,025.20/404,713.80 = 112,172.40/x
  3. Step 3: Cross multiply
    270,025.20x = 404,713.80 × 112,172.40
  4. Step 4: Simplify right side
    270,025.20x = 45,397,718,259.12
  5. Step 5: Solve for x
    x = 45,397,718,259.12/270,025.20
  6. Step 6: Final answer
    x = 168,124.01

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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.