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Finding the Fourth Proportional to 224,825.28, 310,403.52 and 144,287.52

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Solution

The fourth proportional to 224,825.28, 310,403.52 and 144,287.52 is: 199,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,825.28 : 310,403.52 = 144,287.52 : x
  2. Step 2: Convert to fraction form
    224,825.28/310,403.52 = 144,287.52/x
  3. Step 3: Cross multiply
    224,825.28x = 310,403.52 × 144,287.52
  4. Step 4: Simplify right side
    224,825.28x = 44,787,354,100.07
  5. Step 5: Solve for x
    x = 44,787,354,100.07/224,825.28
  6. Step 6: Final answer
    x = 199,209.60

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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.