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Finding the Fourth Proportional to 192,078, 265,070.04 and 111,508.92

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Solution

The fourth proportional to 192,078, 265,070.04 and 111,508.92 is: 153,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,078 : 265,070.04 = 111,508.92 : x
  2. Step 2: Convert to fraction form
    192,078/265,070.04 = 111,508.92/x
  3. Step 3: Cross multiply
    192,078x = 265,070.04 × 111,508.92
  4. Step 4: Simplify right side
    192,078x = 29,557,673,884.76
  5. Step 5: Solve for x
    x = 29,557,673,884.76/192,078
  6. Step 6: Final answer
    x = 153,883.70

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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.