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Finding the Fourth Proportional to 232,572, 348,861.20 and 66,360.16

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Solution

The fourth proportional to 232,572, 348,861.20 and 66,360.16 is: 99,541.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,572 : 348,861.20 = 66,360.16 : x
  2. Step 2: Convert to fraction form
    232,572/348,861.20 = 66,360.16/x
  3. Step 3: Cross multiply
    232,572x = 348,861.20 × 66,360.16
  4. Step 4: Simplify right side
    232,572x = 23,150,485,049.79
  5. Step 5: Solve for x
    x = 23,150,485,049.79/232,572
  6. Step 6: Final answer
    x = 99,541.15

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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.