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Finding the Fourth Proportional to 157,442.60, 236,163.90 and 148,913.30

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Solution

The fourth proportional to 157,442.60, 236,163.90 and 148,913.30 is: 223,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,442.60 : 236,163.90 = 148,913.30 : x
  2. Step 2: Convert to fraction form
    157,442.60/236,163.90 = 148,913.30/x
  3. Step 3: Cross multiply
    157,442.60x = 236,163.90 × 148,913.30
  4. Step 4: Simplify right side
    157,442.60x = 35,167,945,689.87
  5. Step 5: Solve for x
    x = 35,167,945,689.87/157,442.60
  6. Step 6: Final answer
    x = 223,369.95

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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.