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Finding the Fourth Proportional to 160,616.41, 221,649.08 and 88,019.96

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Solution

The fourth proportional to 160,616.41, 221,649.08 and 88,019.96 is: 121,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,616.41 : 221,649.08 = 88,019.96 : x
  2. Step 2: Convert to fraction form
    160,616.41/221,649.08 = 88,019.96/x
  3. Step 3: Cross multiply
    160,616.41x = 221,649.08 × 88,019.96
  4. Step 4: Simplify right side
    160,616.41x = 19,509,541,607.29
  5. Step 5: Solve for x
    x = 19,509,541,607.29/160,616.41
  6. Step 6: Final answer
    x = 121,466.68

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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.