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Finding the Fourth Proportional to 481,350.76, 722,136.88 and 161,545.06

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Solution

The fourth proportional to 481,350.76, 722,136.88 and 161,545.06 is: 242,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,350.76 : 722,136.88 = 161,545.06 : x
  2. Step 2: Convert to fraction form
    481,350.76/722,136.88 = 161,545.06/x
  3. Step 3: Cross multiply
    481,350.76x = 722,136.88 × 161,545.06
  4. Step 4: Simplify right side
    481,350.76x = 116,657,645,607.81
  5. Step 5: Solve for x
    x = 116,657,645,607.81/481,350.76
  6. Step 6: Final answer
    x = 242,354.76

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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.