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Finding the Fourth Proportional to 488,768.20, 733,150.80 and 124,029.08

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Solution

The fourth proportional to 488,768.20, 733,150.80 and 124,029.08 is: 186,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,768.20 : 733,150.80 = 124,029.08 : x
  2. Step 2: Convert to fraction form
    488,768.20/733,150.80 = 124,029.08/x
  3. Step 3: Cross multiply
    488,768.20x = 733,150.80 × 124,029.08
  4. Step 4: Simplify right side
    488,768.20x = 90,932,019,225.26
  5. Step 5: Solve for x
    x = 90,932,019,225.26/488,768.20
  6. Step 6: Final answer
    x = 186,043.24

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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.