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Finding the Fourth Proportional to 160,626.84, 221,662.44 and 89,006.64

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Solution

The fourth proportional to 160,626.84, 221,662.44 and 89,006.64 is: 122,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,626.84 : 221,662.44 = 89,006.64 : x
  2. Step 2: Convert to fraction form
    160,626.84/221,662.44 = 89,006.64/x
  3. Step 3: Cross multiply
    160,626.84x = 221,662.44 × 89,006.64
  4. Step 4: Simplify right side
    160,626.84x = 19,729,428,998.60
  5. Step 5: Solve for x
    x = 19,729,428,998.60/160,626.84
  6. Step 6: Final answer
    x = 122,827.72

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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.