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Finding the Fourth Proportional to 159,834.93, 220,571.12 and 88,214.95

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Solution

The fourth proportional to 159,834.93, 220,571.12 and 88,214.95 is: 121,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.93 : 220,571.12 = 88,214.95 : x
  2. Step 2: Convert to fraction form
    159,834.93/220,571.12 = 88,214.95/x
  3. Step 3: Cross multiply
    159,834.93x = 220,571.12 × 88,214.95
  4. Step 4: Simplify right side
    159,834.93x = 19,457,669,908.72
  5. Step 5: Solve for x
    x = 19,457,669,908.72/159,834.93
  6. Step 6: Final answer
    x = 121,736.03

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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.