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Finding the Fourth Proportional to 232,488.75, 348,736.37 and 66,276.75

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Solution

The fourth proportional to 232,488.75, 348,736.37 and 66,276.75 is: 99,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,488.75 : 348,736.37 = 66,276.75 : x
  2. Step 2: Convert to fraction form
    232,488.75/348,736.37 = 66,276.75/x
  3. Step 3: Cross multiply
    232,488.75x = 348,736.37 × 66,276.75
  4. Step 4: Simplify right side
    232,488.75x = 23,113,112,879.01
  5. Step 5: Solve for x
    x = 23,113,112,879.01/232,488.75
  6. Step 6: Final answer
    x = 99,416.05

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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.