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Finding the Fourth Proportional to 150,948.74, 226,455.78 and 45,775.64

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Solution

The fourth proportional to 150,948.74, 226,455.78 and 45,775.64 is: 68,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,948.74 : 226,455.78 = 45,775.64 : x
  2. Step 2: Convert to fraction form
    150,948.74/226,455.78 = 45,775.64/x
  3. Step 3: Cross multiply
    150,948.74x = 226,455.78 × 45,775.64
  4. Step 4: Simplify right side
    150,948.74x = 10,366,158,261.20
  5. Step 5: Solve for x
    x = 10,366,158,261.20/150,948.74
  6. Step 6: Final answer
    x = 68,673.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.