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Finding the Fourth Proportional to 264,230.40, 396,345.60 and 124,003.20

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Solution

The fourth proportional to 264,230.40, 396,345.60 and 124,003.20 is: 186,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,230.40 : 396,345.60 = 124,003.20 : x
  2. Step 2: Convert to fraction form
    264,230.40/396,345.60 = 124,003.20/x
  3. Step 3: Cross multiply
    264,230.40x = 396,345.60 × 124,003.20
  4. Step 4: Simplify right side
    264,230.40x = 49,148,122,705.92
  5. Step 5: Solve for x
    x = 49,148,122,705.92/264,230.40
  6. Step 6: Final answer
    x = 186,004.80

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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.