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Finding the Fourth Proportional to 151,455.40, 226,745.70 and 92,406.40

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Solution

The fourth proportional to 151,455.40, 226,745.70 and 92,406.40 is: 138,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,455.40 : 226,745.70 = 92,406.40 : x
  2. Step 2: Convert to fraction form
    151,455.40/226,745.70 = 92,406.40/x
  3. Step 3: Cross multiply
    151,455.40x = 226,745.70 × 92,406.40
  4. Step 4: Simplify right side
    151,455.40x = 20,952,753,852.48
  5. Step 5: Solve for x
    x = 20,952,753,852.48/151,455.40
  6. Step 6: Final answer
    x = 138,342.73

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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.