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Finding the Fourth Proportional to 157,489.92, 236,101.08 and 73,298.98

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Solution

The fourth proportional to 157,489.92, 236,101.08 and 73,298.98 is: 109,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,489.92 : 236,101.08 = 73,298.98 : x
  2. Step 2: Convert to fraction form
    157,489.92/236,101.08 = 73,298.98/x
  3. Step 3: Cross multiply
    157,489.92x = 236,101.08 × 73,298.98
  4. Step 4: Simplify right side
    157,489.92x = 17,305,967,170.52
  5. Step 5: Solve for x
    x = 17,305,967,170.52/157,489.92
  6. Step 6: Final answer
    x = 109,886.19

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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.