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Finding the Fourth Proportional to 160,233.36, 221,046.84 and 103,662.96

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Solution

The fourth proportional to 160,233.36, 221,046.84 and 103,662.96 is: 143,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,233.36 : 221,046.84 = 103,662.96 : x
  2. Step 2: Convert to fraction form
    160,233.36/221,046.84 = 103,662.96/x
  3. Step 3: Cross multiply
    160,233.36x = 221,046.84 × 103,662.96
  4. Step 4: Simplify right side
    160,233.36x = 22,914,369,733.05
  5. Step 5: Solve for x
    x = 22,914,369,733.05/160,233.36
  6. Step 6: Final answer
    x = 143,006.24

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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.