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Finding the Fourth Proportional to 89,894.68, 124,054.14 and 52,168.12

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Solution

The fourth proportional to 89,894.68, 124,054.14 and 52,168.12 is: 71,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.68 : 124,054.14 = 52,168.12 : x
  2. Step 2: Convert to fraction form
    89,894.68/124,054.14 = 52,168.12/x
  3. Step 3: Cross multiply
    89,894.68x = 124,054.14 × 52,168.12
  4. Step 4: Simplify right side
    89,894.68x = 6,471,671,262.02
  5. Step 5: Solve for x
    x = 6,471,671,262.02/89,894.68
  6. Step 6: Final answer
    x = 71,991.70

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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.