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Finding the Fourth Proportional to 123,073.58, 169,851.53 and 69,362.24

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Solution

The fourth proportional to 123,073.58, 169,851.53 and 69,362.24 is: 95,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,073.58 : 169,851.53 = 69,362.24 : x
  2. Step 2: Convert to fraction form
    123,073.58/169,851.53 = 69,362.24/x
  3. Step 3: Cross multiply
    123,073.58x = 169,851.53 × 69,362.24
  4. Step 4: Simplify right side
    123,073.58x = 11,781,281,912.38
  5. Step 5: Solve for x
    x = 11,781,281,912.38/123,073.58
  6. Step 6: Final answer
    x = 95,725.51

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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.