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Finding the Fourth Proportional to 160,469.44, 240,726.56 and 66,953.76

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Solution

The fourth proportional to 160,469.44, 240,726.56 and 66,953.76 is: 100,439.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,469.44 : 240,726.56 = 66,953.76 : x
  2. Step 2: Convert to fraction form
    160,469.44/240,726.56 = 66,953.76/x
  3. Step 3: Cross multiply
    160,469.44x = 240,726.56 × 66,953.76
  4. Step 4: Simplify right side
    160,469.44x = 16,117,548,323.87
  5. Step 5: Solve for x
    x = 16,117,548,323.87/160,469.44
  6. Step 6: Final answer
    x = 100,439.99

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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.