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Finding the Fourth Proportional to 251,542.92, 377,360.64 and 83,074.68

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Solution

The fourth proportional to 251,542.92, 377,360.64 and 83,074.68 is: 124,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,542.92 : 377,360.64 = 83,074.68 : x
  2. Step 2: Convert to fraction form
    251,542.92/377,360.64 = 83,074.68/x
  3. Step 3: Cross multiply
    251,542.92x = 377,360.64 × 83,074.68
  4. Step 4: Simplify right side
    251,542.92x = 31,349,114,412.60
  5. Step 5: Solve for x
    x = 31,349,114,412.60/251,542.92
  6. Step 6: Final answer
    x = 124,627.30

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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.