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Finding the Fourth Proportional to 217,226.64, 299,760.32 and 126,597.36

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Solution

The fourth proportional to 217,226.64, 299,760.32 and 126,597.36 is: 174,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,226.64 : 299,760.32 = 126,597.36 : x
  2. Step 2: Convert to fraction form
    217,226.64/299,760.32 = 126,597.36/x
  3. Step 3: Cross multiply
    217,226.64x = 299,760.32 × 126,597.36
  4. Step 4: Simplify right side
    217,226.64x = 37,948,865,144.76
  5. Step 5: Solve for x
    x = 37,948,865,144.76/217,226.64
  6. Step 6: Final answer
    x = 174,697.11

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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.