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Finding the Fourth Proportional to 160,183, 221,048.88 and 88,563.61

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Solution

The fourth proportional to 160,183, 221,048.88 and 88,563.61 is: 122,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,183 : 221,048.88 = 88,563.61 : x
  2. Step 2: Convert to fraction form
    160,183/221,048.88 = 88,563.61/x
  3. Step 3: Cross multiply
    160,183x = 221,048.88 × 88,563.61
  4. Step 4: Simplify right side
    160,183x = 19,576,886,799.26
  5. Step 5: Solve for x
    x = 19,576,886,799.26/160,183
  6. Step 6: Final answer
    x = 122,215.76

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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.