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Finding the Fourth Proportional to 123,850.64, 170,944.47 and 70,167.29

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Solution

The fourth proportional to 123,850.64, 170,944.47 and 70,167.29 is: 96,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,850.64 : 170,944.47 = 70,167.29 : x
  2. Step 2: Convert to fraction form
    123,850.64/170,944.47 = 70,167.29/x
  3. Step 3: Cross multiply
    123,850.64x = 170,944.47 × 70,167.29
  4. Step 4: Simplify right side
    123,850.64x = 11,994,709,345.66
  5. Step 5: Solve for x
    x = 11,994,709,345.66/123,850.64
  6. Step 6: Final answer
    x = 96,848.19

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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.