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Finding the Fourth Proportional to 160,796.91, 221,882.97 and 92,790.93

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Solution

The fourth proportional to 160,796.91, 221,882.97 and 92,790.93 is: 128,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,796.91 : 221,882.97 = 92,790.93 : x
  2. Step 2: Convert to fraction form
    160,796.91/221,882.97 = 92,790.93/x
  3. Step 3: Cross multiply
    160,796.91x = 221,882.97 × 92,790.93
  4. Step 4: Simplify right side
    160,796.91x = 20,588,727,137.46
  5. Step 5: Solve for x
    x = 20,588,727,137.46/160,796.91
  6. Step 6: Final answer
    x = 128,041.81

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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.