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Finding the Fourth Proportional to 242,464.78, 334,254.36 and 170,621.56

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Solution

The fourth proportional to 242,464.78, 334,254.36 and 170,621.56 is: 235,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,464.78 : 334,254.36 = 170,621.56 : x
  2. Step 2: Convert to fraction form
    242,464.78/334,254.36 = 170,621.56/x
  3. Step 3: Cross multiply
    242,464.78x = 334,254.36 × 170,621.56
  4. Step 4: Simplify right side
    242,464.78x = 57,031,000,340.00
  5. Step 5: Solve for x
    x = 57,031,000,340.00/242,464.78
  6. Step 6: Final answer
    x = 235,213.54

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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.