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Finding the Fourth Proportional to 376,851.74, 565,355.49 and 124,147.58

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Solution

The fourth proportional to 376,851.74, 565,355.49 and 124,147.58 is: 186,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,851.74 : 565,355.49 = 124,147.58 : x
  2. Step 2: Convert to fraction form
    376,851.74/565,355.49 = 124,147.58/x
  3. Step 3: Cross multiply
    376,851.74x = 565,355.49 × 124,147.58
  4. Step 4: Simplify right side
    376,851.74x = 70,187,515,923.21
  5. Step 5: Solve for x
    x = 70,187,515,923.21/376,851.74
  6. Step 6: Final answer
    x = 186,247.03

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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.