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Finding the Fourth Proportional to 248,156.88, 342,446.13 and 146,186.52

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Solution

The fourth proportional to 248,156.88, 342,446.13 and 146,186.52 is: 201,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,156.88 : 342,446.13 = 146,186.52 : x
  2. Step 2: Convert to fraction form
    248,156.88/342,446.13 = 146,186.52/x
  3. Step 3: Cross multiply
    248,156.88x = 342,446.13 × 146,186.52
  4. Step 4: Simplify right side
    248,156.88x = 50,061,008,032.17
  5. Step 5: Solve for x
    x = 50,061,008,032.17/248,156.88
  6. Step 6: Final answer
    x = 201,731.29

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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.