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Finding the Fourth Proportional to 248,462.90, 372,224.14 and 146,956.94

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Solution

The fourth proportional to 248,462.90, 372,224.14 and 146,956.94 is: 220,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,462.90 : 372,224.14 = 146,956.94 : x
  2. Step 2: Convert to fraction form
    248,462.90/372,224.14 = 146,956.94/x
  3. Step 3: Cross multiply
    248,462.90x = 372,224.14 × 146,956.94
  4. Step 4: Simplify right side
    248,462.90x = 54,700,918,012.63
  5. Step 5: Solve for x
    x = 54,700,918,012.63/248,462.90
  6. Step 6: Final answer
    x = 220,157.29

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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.