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Finding the Fourth Proportional to 160,797.16, 221,898.90 and 88,201.72

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Solution

The fourth proportional to 160,797.16, 221,898.90 and 88,201.72 is: 121,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,797.16 : 221,898.90 = 88,201.72 : x
  2. Step 2: Convert to fraction form
    160,797.16/221,898.90 = 88,201.72/x
  3. Step 3: Cross multiply
    160,797.16x = 221,898.90 × 88,201.72
  4. Step 4: Simplify right side
    160,797.16x = 19,571,864,646.11
  5. Step 5: Solve for x
    x = 19,571,864,646.11/160,797.16
  6. Step 6: Final answer
    x = 121,717.73

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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.