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Finding the Fourth Proportional to 112,921.06, 169,388.07 and 34,027.06

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Solution

The fourth proportional to 112,921.06, 169,388.07 and 34,027.06 is: 51,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.06 : 169,388.07 = 34,027.06 : x
  2. Step 2: Convert to fraction form
    112,921.06/169,388.07 = 34,027.06/x
  3. Step 3: Cross multiply
    112,921.06x = 169,388.07 × 34,027.06
  4. Step 4: Simplify right side
    112,921.06x = 5,763,778,021.17
  5. Step 5: Solve for x
    x = 5,763,778,021.17/112,921.06
  6. Step 6: Final answer
    x = 51,042.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.