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Finding the Fourth Proportional to 205,677.66, 308,510.73 and 65,444.70

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Solution

The fourth proportional to 205,677.66, 308,510.73 and 65,444.70 is: 98,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,677.66 : 308,510.73 = 65,444.70 : x
  2. Step 2: Convert to fraction form
    205,677.66/308,510.73 = 65,444.70/x
  3. Step 3: Cross multiply
    205,677.66x = 308,510.73 × 65,444.70
  4. Step 4: Simplify right side
    205,677.66x = 20,190,392,171.63
  5. Step 5: Solve for x
    x = 20,190,392,171.63/205,677.66
  6. Step 6: Final answer
    x = 98,165.22

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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.