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Finding the Fourth Proportional to 123,295.52, 170,147.76 and 69,591.80

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Solution

The fourth proportional to 123,295.52, 170,147.76 and 69,591.80 is: 96,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,295.52 : 170,147.76 = 69,591.80 : x
  2. Step 2: Convert to fraction form
    123,295.52/170,147.76 = 69,591.80/x
  3. Step 3: Cross multiply
    123,295.52x = 170,147.76 × 69,591.80
  4. Step 4: Simplify right side
    123,295.52x = 11,840,888,884.37
  5. Step 5: Solve for x
    x = 11,840,888,884.37/123,295.52
  6. Step 6: Final answer
    x = 96,036.65

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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.