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Finding the Fourth Proportional to 171,047.36, 236,082.83 and 99,468.68

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Solution

The fourth proportional to 171,047.36, 236,082.83 and 99,468.68 is: 137,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,047.36 : 236,082.83 = 99,468.68 : x
  2. Step 2: Convert to fraction form
    171,047.36/236,082.83 = 99,468.68/x
  3. Step 3: Cross multiply
    171,047.36x = 236,082.83 × 99,468.68
  4. Step 4: Simplify right side
    171,047.36x = 23,482,845,793.01
  5. Step 5: Solve for x
    x = 23,482,845,793.01/171,047.36
  6. Step 6: Final answer
    x = 137,288.56

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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.