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Finding the Fourth Proportional to 124,380.60, 171,509.71 and 84,024.33

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Solution

The fourth proportional to 124,380.60, 171,509.71 and 84,024.33 is: 115,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380.60 : 171,509.71 = 84,024.33 : x
  2. Step 2: Convert to fraction form
    124,380.60/171,509.71 = 84,024.33/x
  3. Step 3: Cross multiply
    124,380.60x = 171,509.71 × 84,024.33
  4. Step 4: Simplify right side
    124,380.60x = 14,410,988,471.24
  5. Step 5: Solve for x
    x = 14,410,988,471.24/124,380.60
  6. Step 6: Final answer
    x = 115,862.03

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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.