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Finding the Fourth Proportional to 110,604.28, 152,629.51 and 65,296.86

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Solution

The fourth proportional to 110,604.28, 152,629.51 and 65,296.86 is: 90,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,604.28 : 152,629.51 = 65,296.86 : x
  2. Step 2: Convert to fraction form
    110,604.28/152,629.51 = 65,296.86/x
  3. Step 3: Cross multiply
    110,604.28x = 152,629.51 × 65,296.86
  4. Step 4: Simplify right side
    110,604.28x = 9,966,226,656.71
  5. Step 5: Solve for x
    x = 9,966,226,656.71/110,604.28
  6. Step 6: Final answer
    x = 90,107.07

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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.