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Finding the Fourth Proportional to 161,660.79, 242,396.01 and 61,828.29

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Solution

The fourth proportional to 161,660.79, 242,396.01 and 61,828.29 is: 92,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.79 : 242,396.01 = 61,828.29 : x
  2. Step 2: Convert to fraction form
    161,660.79/242,396.01 = 61,828.29/x
  3. Step 3: Cross multiply
    161,660.79x = 242,396.01 × 61,828.29
  4. Step 4: Simplify right side
    161,660.79x = 14,986,930,801.12
  5. Step 5: Solve for x
    x = 14,986,930,801.12/161,660.79
  6. Step 6: Final answer
    x = 92,706.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.