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Finding the Fourth Proportional to 185,757.36, 256,350.24 and 109,281.84

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Solution

The fourth proportional to 185,757.36, 256,350.24 and 109,281.84 is: 150,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,757.36 : 256,350.24 = 109,281.84 : x
  2. Step 2: Convert to fraction form
    185,757.36/256,350.24 = 109,281.84/x
  3. Step 3: Cross multiply
    185,757.36x = 256,350.24 × 109,281.84
  4. Step 4: Simplify right side
    185,757.36x = 28,014,425,911.64
  5. Step 5: Solve for x
    x = 28,014,425,911.64/185,757.36
  6. Step 6: Final answer
    x = 150,811.93

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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.