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Finding the Fourth Proportional to 160,660.66, 221,717.58 and 96,986.14

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Solution

The fourth proportional to 160,660.66, 221,717.58 and 96,986.14 is: 133,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.66 : 221,717.58 = 96,986.14 : x
  2. Step 2: Convert to fraction form
    160,660.66/221,717.58 = 96,986.14/x
  3. Step 3: Cross multiply
    160,660.66x = 221,717.58 × 96,986.14
  4. Step 4: Simplify right side
    160,660.66x = 21,503,532,254.34
  5. Step 5: Solve for x
    x = 21,503,532,254.34/160,660.66
  6. Step 6: Final answer
    x = 133,844.42

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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.