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Finding the Fourth Proportional to 201,419.39, 277,953.19 and 110,775.33

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Solution

The fourth proportional to 201,419.39, 277,953.19 and 110,775.33 is: 152,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,419.39 : 277,953.19 = 110,775.33 : x
  2. Step 2: Convert to fraction form
    201,419.39/277,953.19 = 110,775.33/x
  3. Step 3: Cross multiply
    201,419.39x = 277,953.19 × 110,775.33
  4. Step 4: Simplify right side
    201,419.39x = 30,790,356,069.86
  5. Step 5: Solve for x
    x = 30,790,356,069.86/201,419.39
  6. Step 6: Final answer
    x = 152,866.89

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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.