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Finding the Fourth Proportional to 124,509.98, 186,777.27 and 35,776.55

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Solution

The fourth proportional to 124,509.98, 186,777.27 and 35,776.55 is: 53,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,509.98 : 186,777.27 = 35,776.55 : x
  2. Step 2: Convert to fraction form
    124,509.98/186,777.27 = 35,776.55/x
  3. Step 3: Cross multiply
    124,509.98x = 186,777.27 × 35,776.55
  4. Step 4: Simplify right side
    124,509.98x = 6,682,246,805.96
  5. Step 5: Solve for x
    x = 6,682,246,805.96/124,509.98
  6. Step 6: Final answer
    x = 53,668.36

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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.