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Finding the Fourth Proportional to 232,776.72, 348,976.65 and 72,770.28

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Solution

The fourth proportional to 232,776.72, 348,976.65 and 72,770.28 is: 109,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,776.72 : 348,976.65 = 72,770.28 : x
  2. Step 2: Convert to fraction form
    232,776.72/348,976.65 = 72,770.28/x
  3. Step 3: Cross multiply
    232,776.72x = 348,976.65 × 72,770.28
  4. Step 4: Simplify right side
    232,776.72x = 25,395,128,715.89
  5. Step 5: Solve for x
    x = 25,395,128,715.89/232,776.72
  6. Step 6: Final answer
    x = 109,096.51

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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.