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Finding the Fourth Proportional to 160,404.66, 221,353.99 and 91,492.56

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Solution

The fourth proportional to 160,404.66, 221,353.99 and 91,492.56 is: 126,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,404.66 : 221,353.99 = 91,492.56 : x
  2. Step 2: Convert to fraction form
    160,404.66/221,353.99 = 91,492.56/x
  3. Step 3: Cross multiply
    160,404.66x = 221,353.99 × 91,492.56
  4. Step 4: Simplify right side
    160,404.66x = 20,252,243,211.31
  5. Step 5: Solve for x
    x = 20,252,243,211.31/160,404.66
  6. Step 6: Final answer
    x = 126,257.20

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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.