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Finding the Fourth Proportional to 252,060.66, 378,149.31 and 146,968.02

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Solution

The fourth proportional to 252,060.66, 378,149.31 and 146,968.02 is: 220,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,060.66 : 378,149.31 = 146,968.02 : x
  2. Step 2: Convert to fraction form
    252,060.66/378,149.31 = 146,968.02/x
  3. Step 3: Cross multiply
    252,060.66x = 378,149.31 × 146,968.02
  4. Step 4: Simplify right side
    252,060.66x = 55,575,855,355.07
  5. Step 5: Solve for x
    x = 55,575,855,355.07/252,060.66
  6. Step 6: Final answer
    x = 220,486.03

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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.