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Finding the Fourth Proportional to 123,473.52, 170,393.40 and 66,884.40

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Solution

The fourth proportional to 123,473.52, 170,393.40 and 66,884.40 is: 92,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,473.52 : 170,393.40 = 66,884.40 : x
  2. Step 2: Convert to fraction form
    123,473.52/170,393.40 = 66,884.40/x
  3. Step 3: Cross multiply
    123,473.52x = 170,393.40 × 66,884.40
  4. Step 4: Simplify right side
    123,473.52x = 11,396,660,322.96
  5. Step 5: Solve for x
    x = 11,396,660,322.96/123,473.52
  6. Step 6: Final answer
    x = 92,300.44

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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.