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Finding the Fourth Proportional to 160,082.46, 220,918.32 and 88,467.12

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Solution

The fourth proportional to 160,082.46, 220,918.32 and 88,467.12 is: 122,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,082.46 : 220,918.32 = 88,467.12 : x
  2. Step 2: Convert to fraction form
    160,082.46/220,918.32 = 88,467.12/x
  3. Step 3: Cross multiply
    160,082.46x = 220,918.32 × 88,467.12
  4. Step 4: Simplify right side
    160,082.46x = 19,544,007,525.64
  5. Step 5: Solve for x
    x = 19,544,007,525.64/160,082.46
  6. Step 6: Final answer
    x = 122,087.13

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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.