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Finding the Fourth Proportional to 160,197.92, 221,064.20 and 88,573.64

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Solution

The fourth proportional to 160,197.92, 221,064.20 and 88,573.64 is: 122,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,197.92 : 221,064.20 = 88,573.64 : x
  2. Step 2: Convert to fraction form
    160,197.92/221,064.20 = 88,573.64/x
  3. Step 3: Cross multiply
    160,197.92x = 221,064.20 × 88,573.64
  4. Step 4: Simplify right side
    160,197.92x = 19,580,460,867.69
  5. Step 5: Solve for x
    x = 19,580,460,867.69/160,197.92
  6. Step 6: Final answer
    x = 122,226.69

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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.