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Finding the Fourth Proportional to 160,555.66, 221,566.83 and 88,940.32

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Solution

The fourth proportional to 160,555.66, 221,566.83 and 88,940.32 is: 122,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,555.66 : 221,566.83 = 88,940.32 : x
  2. Step 2: Convert to fraction form
    160,555.66/221,566.83 = 88,940.32/x
  3. Step 3: Cross multiply
    160,555.66x = 221,566.83 × 88,940.32
  4. Step 4: Simplify right side
    160,555.66x = 19,706,224,761.59
  5. Step 5: Solve for x
    x = 19,706,224,761.59/160,555.66
  6. Step 6: Final answer
    x = 122,737.65

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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.