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Finding the Fourth Proportional to 160,797.11, 221,904.18 and 88,203.15

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Solution

The fourth proportional to 160,797.11, 221,904.18 and 88,203.15 is: 121,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,797.11 : 221,904.18 = 88,203.15 : x
  2. Step 2: Convert to fraction form
    160,797.11/221,904.18 = 88,203.15/x
  3. Step 3: Cross multiply
    160,797.11x = 221,904.18 × 88,203.15
  4. Step 4: Simplify right side
    160,797.11x = 19,572,647,674.17
  5. Step 5: Solve for x
    x = 19,572,647,674.17/160,797.11
  6. Step 6: Final answer
    x = 121,722.64

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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.