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Finding the Fourth Proportional to 110,322.11, 165,483.16 and 77,107.04

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Solution

The fourth proportional to 110,322.11, 165,483.16 and 77,107.04 is: 115,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,322.11 : 165,483.16 = 77,107.04 : x
  2. Step 2: Convert to fraction form
    110,322.11/165,483.16 = 77,107.04/x
  3. Step 3: Cross multiply
    110,322.11x = 165,483.16 × 77,107.04
  4. Step 4: Simplify right side
    110,322.11x = 12,759,916,251.91
  5. Step 5: Solve for x
    x = 12,759,916,251.91/110,322.11
  6. Step 6: Final answer
    x = 115,660.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.