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Finding the Fourth Proportional to 123,888.30, 170,957.40 and 67,298.46

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Solution

The fourth proportional to 123,888.30, 170,957.40 and 67,298.46 is: 92,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,888.30 : 170,957.40 = 67,298.46 : x
  2. Step 2: Convert to fraction form
    123,888.30/170,957.40 = 67,298.46/x
  3. Step 3: Cross multiply
    123,888.30x = 170,957.40 × 67,298.46
  4. Step 4: Simplify right side
    123,888.30x = 11,505,169,745.60
  5. Step 5: Solve for x
    x = 11,505,169,745.60/123,888.30
  6. Step 6: Final answer
    x = 92,867.28

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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.