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Finding the Fourth Proportional to 232,365.96, 348,561.90 and 66,141

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Solution

The fourth proportional to 232,365.96, 348,561.90 and 66,141 is: 99,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,365.96 : 348,561.90 = 66,141 : x
  2. Step 2: Convert to fraction form
    232,365.96/348,561.90 = 66,141/x
  3. Step 3: Cross multiply
    232,365.96x = 348,561.90 × 66,141
  4. Step 4: Simplify right side
    232,365.96x = 23,054,232,627.90
  5. Step 5: Solve for x
    x = 23,054,232,627.90/232,365.96
  6. Step 6: Final answer
    x = 99,215.19

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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.