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Finding the Fourth Proportional to 124,648.25, 171,927.29 and 84,344.27

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Solution

The fourth proportional to 124,648.25, 171,927.29 and 84,344.27 is: 116,336.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,648.25 : 171,927.29 = 84,344.27 : x
  2. Step 2: Convert to fraction form
    124,648.25/171,927.29 = 84,344.27/x
  3. Step 3: Cross multiply
    124,648.25x = 171,927.29 × 84,344.27
  4. Step 4: Simplify right side
    124,648.25x = 14,501,081,119.35
  5. Step 5: Solve for x
    x = 14,501,081,119.35/124,648.25
  6. Step 6: Final answer
    x = 116,336.02

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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.