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Finding the Fourth Proportional to 481,775.10, 722,492.55 and 166,158.60

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Solution

The fourth proportional to 481,775.10, 722,492.55 and 166,158.60 is: 249,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,775.10 : 722,492.55 = 166,158.60 : x
  2. Step 2: Convert to fraction form
    481,775.10/722,492.55 = 166,158.60/x
  3. Step 3: Cross multiply
    481,775.10x = 722,492.55 × 166,158.60
  4. Step 4: Simplify right side
    481,775.10x = 120,048,350,618.43
  5. Step 5: Solve for x
    x = 120,048,350,618.43/481,775.10
  6. Step 6: Final answer
    x = 249,179.23

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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.