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Finding the Fourth Proportional to 177,214.32, 265,944.59 and 72,033.39

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Solution

The fourth proportional to 177,214.32, 265,944.59 and 72,033.39 is: 108,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,214.32 : 265,944.59 = 72,033.39 : x
  2. Step 2: Convert to fraction form
    177,214.32/265,944.59 = 72,033.39/x
  3. Step 3: Cross multiply
    177,214.32x = 265,944.59 × 72,033.39
  4. Step 4: Simplify right side
    177,214.32x = 19,156,890,009.69
  5. Step 5: Solve for x
    x = 19,156,890,009.69/177,214.32
  6. Step 6: Final answer
    x = 108,100.12

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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.