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Finding the Fourth Proportional to 270,225.82, 372,891.90 and 149,360.32

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Solution

The fourth proportional to 270,225.82, 372,891.90 and 149,360.32 is: 206,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,225.82 : 372,891.90 = 149,360.32 : x
  2. Step 2: Convert to fraction form
    270,225.82/372,891.90 = 149,360.32/x
  3. Step 3: Cross multiply
    270,225.82x = 372,891.90 × 149,360.32
  4. Step 4: Simplify right side
    270,225.82x = 55,695,253,509.41
  5. Step 5: Solve for x
    x = 55,695,253,509.41/270,225.82
  6. Step 6: Final answer
    x = 206,106.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.