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Finding the Fourth Proportional to 144,797.14, 199,820.12 and 88,208.52

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Solution

The fourth proportional to 144,797.14, 199,820.12 and 88,208.52 is: 121,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,797.14 : 199,820.12 = 88,208.52 : x
  2. Step 2: Convert to fraction form
    144,797.14/199,820.12 = 88,208.52/x
  3. Step 3: Cross multiply
    144,797.14x = 199,820.12 × 88,208.52
  4. Step 4: Simplify right side
    144,797.14x = 17,625,837,051.42
  5. Step 5: Solve for x
    x = 17,625,837,051.42/144,797.14
  6. Step 6: Final answer
    x = 121,727.80

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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.