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Finding the Fourth Proportional to 270,203.16, 372,899.67 and 149,341.83

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Solution

The fourth proportional to 270,203.16, 372,899.67 and 149,341.83 is: 206,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,203.16 : 372,899.67 = 149,341.83 : x
  2. Step 2: Convert to fraction form
    270,203.16/372,899.67 = 149,341.83/x
  3. Step 3: Cross multiply
    270,203.16x = 372,899.67 × 149,341.83
  4. Step 4: Simplify right side
    270,203.16x = 55,689,519,124.20
  5. Step 5: Solve for x
    x = 55,689,519,124.20/270,203.16
  6. Step 6: Final answer
    x = 206,102.40

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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.