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Finding the Fourth Proportional to 123,309.44, 170,154.24 and 69,597.44

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Solution

The fourth proportional to 123,309.44, 170,154.24 and 69,597.44 is: 96,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,309.44 : 170,154.24 = 69,597.44 : x
  2. Step 2: Convert to fraction form
    123,309.44/170,154.24 = 69,597.44/x
  3. Step 3: Cross multiply
    123,309.44x = 170,154.24 × 69,597.44
  4. Step 4: Simplify right side
    123,309.44x = 11,842,299,509.15
  5. Step 5: Solve for x
    x = 11,842,299,509.15/123,309.44
  6. Step 6: Final answer
    x = 96,037.25

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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.