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Finding the Fourth Proportional to 160,245.23, 221,134.59 and 88,623.68

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Solution

The fourth proportional to 160,245.23, 221,134.59 and 88,623.68 is: 122,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,245.23 : 221,134.59 = 88,623.68 : x
  2. Step 2: Convert to fraction form
    160,245.23/221,134.59 = 88,623.68/x
  3. Step 3: Cross multiply
    160,245.23x = 221,134.59 × 88,623.68
  4. Step 4: Simplify right side
    160,245.23x = 19,597,760,035.42
  5. Step 5: Solve for x
    x = 19,597,760,035.42/160,245.23
  6. Step 6: Final answer
    x = 122,298.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.