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Finding the Fourth Proportional to 239,777.48, 359,666.10 and 71,297.08

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Solution

The fourth proportional to 239,777.48, 359,666.10 and 71,297.08 is: 106,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,777.48 : 359,666.10 = 71,297.08 : x
  2. Step 2: Convert to fraction form
    239,777.48/359,666.10 = 71,297.08/x
  3. Step 3: Cross multiply
    239,777.48x = 359,666.10 × 71,297.08
  4. Step 4: Simplify right side
    239,777.48x = 25,643,142,704.99
  5. Step 5: Solve for x
    x = 25,643,142,704.99/239,777.48
  6. Step 6: Final answer
    x = 106,945.58

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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.