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Finding the Fourth Proportional to 123,513.66, 170,446.59 and 69,797.52

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Solution

The fourth proportional to 123,513.66, 170,446.59 and 69,797.52 is: 96,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,513.66 : 170,446.59 = 69,797.52 : x
  2. Step 2: Convert to fraction form
    123,513.66/170,446.59 = 69,797.52/x
  3. Step 3: Cross multiply
    123,513.66x = 170,446.59 × 69,797.52
  4. Step 4: Simplify right side
    123,513.66x = 11,896,749,274.46
  5. Step 5: Solve for x
    x = 11,896,749,274.46/123,513.66
  6. Step 6: Final answer
    x = 96,319.30

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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.