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Finding the Fourth Proportional to 232,501.75, 348,755.87 and 66,289.75

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Solution

The fourth proportional to 232,501.75, 348,755.87 and 66,289.75 is: 99,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,501.75 : 348,755.87 = 66,289.75 : x
  2. Step 2: Convert to fraction form
    232,501.75/348,755.87 = 66,289.75/x
  3. Step 3: Cross multiply
    232,501.75x = 348,755.87 × 66,289.75
  4. Step 4: Simplify right side
    232,501.75x = 23,118,939,433.33
  5. Step 5: Solve for x
    x = 23,118,939,433.33/232,501.75
  6. Step 6: Final answer
    x = 99,435.55

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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.