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Finding the Fourth Proportional to 232,572, 348,861.36 and 66,360

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Solution

The fourth proportional to 232,572, 348,861.36 and 66,360 is: 99,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,572 : 348,861.36 = 66,360 : x
  2. Step 2: Convert to fraction form
    232,572/348,861.36 = 66,360/x
  3. Step 3: Cross multiply
    232,572x = 348,861.36 × 66,360
  4. Step 4: Simplify right side
    232,572x = 23,150,439,849.60
  5. Step 5: Solve for x
    x = 23,150,439,849.60/232,572
  6. Step 6: Final answer
    x = 99,540.96

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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.