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Finding the Fourth Proportional to 160,116.96, 220,961.45 and 88,496.98

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Solution

The fourth proportional to 160,116.96, 220,961.45 and 88,496.98 is: 122,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,116.96 : 220,961.45 = 88,496.98 : x
  2. Step 2: Convert to fraction form
    160,116.96/220,961.45 = 88,496.98/x
  3. Step 3: Cross multiply
    160,116.96x = 220,961.45 × 88,496.98
  4. Step 4: Simplify right side
    160,116.96x = 19,554,421,021.42
  5. Step 5: Solve for x
    x = 19,554,421,021.42/160,116.96
  6. Step 6: Final answer
    x = 122,125.86

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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.