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Finding the Fourth Proportional to 123,833.30, 170,891.94 and 70,116.88

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Solution

The fourth proportional to 123,833.30, 170,891.94 and 70,116.88 is: 96,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,833.30 : 170,891.94 = 70,116.88 : x
  2. Step 2: Convert to fraction form
    123,833.30/170,891.94 = 70,116.88/x
  3. Step 3: Cross multiply
    123,833.30x = 170,891.94 × 70,116.88
  4. Step 4: Simplify right side
    123,833.30x = 11,982,409,649.95
  5. Step 5: Solve for x
    x = 11,982,409,649.95/123,833.30
  6. Step 6: Final answer
    x = 96,762.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.