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Finding the Fourth Proportional to 170,796.66, 256,204.35 and 70,966.95

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Solution

The fourth proportional to 170,796.66, 256,204.35 and 70,966.95 is: 106,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,796.66 : 256,204.35 = 70,966.95 : x
  2. Step 2: Convert to fraction form
    170,796.66/256,204.35 = 70,966.95/x
  3. Step 3: Cross multiply
    170,796.66x = 256,204.35 × 70,966.95
  4. Step 4: Simplify right side
    170,796.66x = 18,182,041,296.23
  5. Step 5: Solve for x
    x = 18,182,041,296.23/170,796.66
  6. Step 6: Final answer
    x = 106,454.31

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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.