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Finding the Fourth Proportional to 202,567.92, 279,556.86 and 111,923.87

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Solution

The fourth proportional to 202,567.92, 279,556.86 and 111,923.87 is: 154,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,567.92 : 279,556.86 = 111,923.87 : x
  2. Step 2: Convert to fraction form
    202,567.92/279,556.86 = 111,923.87/x
  3. Step 3: Cross multiply
    202,567.92x = 279,556.86 × 111,923.87
  4. Step 4: Simplify right side
    202,567.92x = 31,289,084,258.46
  5. Step 5: Solve for x
    x = 31,289,084,258.46/202,567.92
  6. Step 6: Final answer
    x = 154,462.19

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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.