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Finding the Fourth Proportional to 160,519.88, 221,517.35 and 88,899.84

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Solution

The fourth proportional to 160,519.88, 221,517.35 and 88,899.84 is: 122,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,519.88 : 221,517.35 = 88,899.84 : x
  2. Step 2: Convert to fraction form
    160,519.88/221,517.35 = 88,899.84/x
  3. Step 3: Cross multiply
    160,519.88x = 221,517.35 × 88,899.84
  4. Step 4: Simplify right side
    160,519.88x = 19,692,855,420.14
  5. Step 5: Solve for x
    x = 19,692,855,420.14/160,519.88
  6. Step 6: Final answer
    x = 122,681.72

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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.