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Finding the Fourth Proportional to 250,672.63, 345,972.46 and 148,754.29

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Solution

The fourth proportional to 250,672.63, 345,972.46 and 148,754.29 is: 205,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,672.63 : 345,972.46 = 148,754.29 : x
  2. Step 2: Convert to fraction form
    250,672.63/345,972.46 = 148,754.29/x
  3. Step 3: Cross multiply
    250,672.63x = 345,972.46 × 148,754.29
  4. Step 4: Simplify right side
    250,672.63x = 51,464,887,646.85
  5. Step 5: Solve for x
    x = 51,464,887,646.85/250,672.63
  6. Step 6: Final answer
    x = 205,307.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.