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Finding the Fourth Proportional to 144,626.43, 199,584.45 and 88,037.80

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Solution

The fourth proportional to 144,626.43, 199,584.45 and 88,037.80 is: 121,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,626.43 : 199,584.45 = 88,037.80 : x
  2. Step 2: Convert to fraction form
    144,626.43/199,584.45 = 88,037.80/x
  3. Step 3: Cross multiply
    144,626.43x = 199,584.45 × 88,037.80
  4. Step 4: Simplify right side
    144,626.43x = 17,570,975,892.21
  5. Step 5: Solve for x
    x = 17,570,975,892.21/144,626.43
  6. Step 6: Final answer
    x = 121,492.15

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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.