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Finding the Fourth Proportional to 223,085.52, 307,722.78 and 132,381.72

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Solution

The fourth proportional to 223,085.52, 307,722.78 and 132,381.72 is: 182,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,085.52 : 307,722.78 = 132,381.72 : x
  2. Step 2: Convert to fraction form
    223,085.52/307,722.78 = 132,381.72/x
  3. Step 3: Cross multiply
    223,085.52x = 307,722.78 × 132,381.72
  4. Step 4: Simplify right side
    223,085.52x = 40,736,870,899.58
  5. Step 5: Solve for x
    x = 40,736,870,899.58/223,085.52
  6. Step 6: Final answer
    x = 182,606.52

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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.