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Finding the Fourth Proportional to 199,307.92, 275,050.11 and 122,877.51

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Solution

The fourth proportional to 199,307.92, 275,050.11 and 122,877.51 is: 169,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,307.92 : 275,050.11 = 122,877.51 : x
  2. Step 2: Convert to fraction form
    199,307.92/275,050.11 = 122,877.51/x
  3. Step 3: Cross multiply
    199,307.92x = 275,050.11 × 122,877.51
  4. Step 4: Simplify right side
    199,307.92x = 33,797,471,034.60
  5. Step 5: Solve for x
    x = 33,797,471,034.60/199,307.92
  6. Step 6: Final answer
    x = 169,574.15

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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.