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Finding the Fourth Proportional to 253,345.68, 379,966.68 and 148,084.56

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Solution

The fourth proportional to 253,345.68, 379,966.68 and 148,084.56 is: 222,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,345.68 : 379,966.68 = 148,084.56 : x
  2. Step 2: Convert to fraction form
    253,345.68/379,966.68 = 148,084.56/x
  3. Step 3: Cross multiply
    253,345.68x = 379,966.68 × 148,084.56
  4. Step 4: Simplify right side
    253,345.68x = 56,267,198,622.46
  5. Step 5: Solve for x
    x = 56,267,198,622.46/253,345.68
  6. Step 6: Final answer
    x = 222,096.54

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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.