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Finding the Fourth Proportional to 171,041.35, 236,043.70 and 113,581.57

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Solution

The fourth proportional to 171,041.35, 236,043.70 and 113,581.57 is: 156,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,041.35 : 236,043.70 = 113,581.57 : x
  2. Step 2: Convert to fraction form
    171,041.35/236,043.70 = 113,581.57/x
  3. Step 3: Cross multiply
    171,041.35x = 236,043.70 × 113,581.57
  4. Step 4: Simplify right side
    171,041.35x = 26,810,214,034.61
  5. Step 5: Solve for x
    x = 26,810,214,034.61/171,041.35
  6. Step 6: Final answer
    x = 156,746.97

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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.