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Finding the Fourth Proportional to 203,191.71, 280,541.57 and 126,827.13

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Solution

The fourth proportional to 203,191.71, 280,541.57 and 126,827.13 is: 175,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,191.71 : 280,541.57 = 126,827.13 : x
  2. Step 2: Convert to fraction form
    203,191.71/280,541.57 = 126,827.13/x
  3. Step 3: Cross multiply
    203,191.71x = 280,541.57 × 126,827.13
  4. Step 4: Simplify right side
    203,191.71x = 35,580,282,168.79
  5. Step 5: Solve for x
    x = 35,580,282,168.79/203,191.71
  6. Step 6: Final answer
    x = 175,106.96

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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.