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Finding the Fourth Proportional to 202,501.54, 279,446.52 and 111,856.06

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Solution

The fourth proportional to 202,501.54, 279,446.52 and 111,856.06 is: 154,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,501.54 : 279,446.52 = 111,856.06 : x
  2. Step 2: Convert to fraction form
    202,501.54/279,446.52 = 111,856.06/x
  3. Step 3: Cross multiply
    202,501.54x = 279,446.52 × 111,856.06
  4. Step 4: Simplify right side
    202,501.54x = 31,257,786,707.91
  5. Step 5: Solve for x
    x = 31,257,786,707.91/202,501.54
  6. Step 6: Final answer
    x = 154,358.27

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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.