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Finding the Fourth Proportional to 160,188.60, 221,061.66 and 88,571.64

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Solution

The fourth proportional to 160,188.60, 221,061.66 and 88,571.64 is: 122,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,188.60 : 221,061.66 = 88,571.64 : x
  2. Step 2: Convert to fraction form
    160,188.60/221,061.66 = 88,571.64/x
  3. Step 3: Cross multiply
    160,188.60x = 221,061.66 × 88,571.64
  4. Step 4: Simplify right side
    160,188.60x = 19,579,793,767.32
  5. Step 5: Solve for x
    x = 19,579,793,767.32/160,188.60
  6. Step 6: Final answer
    x = 122,229.63

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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.