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Finding the Fourth Proportional to 160,210.96, 221,079.72 and 88,577.80

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Solution

The fourth proportional to 160,210.96, 221,079.72 and 88,577.80 is: 122,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,210.96 : 221,079.72 = 88,577.80 : x
  2. Step 2: Convert to fraction form
    160,210.96/221,079.72 = 88,577.80/x
  3. Step 3: Cross multiply
    160,210.96x = 221,079.72 × 88,577.80
  4. Step 4: Simplify right side
    160,210.96x = 19,582,755,222.22
  5. Step 5: Solve for x
    x = 19,582,755,222.22/160,210.96
  6. Step 6: Final answer
    x = 122,231.06

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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.