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Finding the Fourth Proportional to 232,397.96, 348,609.98 and 66,173

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Solution

The fourth proportional to 232,397.96, 348,609.98 and 66,173 is: 99,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,397.96 : 348,609.98 = 66,173 : x
  2. Step 2: Convert to fraction form
    232,397.96/348,609.98 = 66,173/x
  3. Step 3: Cross multiply
    232,397.96x = 348,609.98 × 66,173
  4. Step 4: Simplify right side
    232,397.96x = 23,068,568,206.54
  5. Step 5: Solve for x
    x = 23,068,568,206.54/232,397.96
  6. Step 6: Final answer
    x = 99,263.21

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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.