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Finding the Fourth Proportional to 160,506.99, 221,496.90 and 88,885.47

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Solution

The fourth proportional to 160,506.99, 221,496.90 and 88,885.47 is: 122,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,506.99 : 221,496.90 = 88,885.47 : x
  2. Step 2: Convert to fraction form
    160,506.99/221,496.90 = 88,885.47/x
  3. Step 3: Cross multiply
    160,506.99x = 221,496.90 × 88,885.47
  4. Step 4: Simplify right side
    160,506.99x = 19,687,856,557.34
  5. Step 5: Solve for x
    x = 19,687,856,557.34/160,506.99
  6. Step 6: Final answer
    x = 122,660.43

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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.