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Finding the Fourth Proportional to 217,425.30, 300,061.11 and 125,548.46

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Solution

The fourth proportional to 217,425.30, 300,061.11 and 125,548.46 is: 173,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,425.30 : 300,061.11 = 125,548.46 : x
  2. Step 2: Convert to fraction form
    217,425.30/300,061.11 = 125,548.46/x
  3. Step 3: Cross multiply
    217,425.30x = 300,061.11 × 125,548.46
  4. Step 4: Simplify right side
    217,425.30x = 37,672,209,638.65
  5. Step 5: Solve for x
    x = 37,672,209,638.65/217,425.30
  6. Step 6: Final answer
    x = 173,265.07

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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.