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Finding the Fourth Proportional to 144,281.25, 216,445.13 and 44,441.39

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Solution

The fourth proportional to 144,281.25, 216,445.13 and 44,441.39 is: 66,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,281.25 : 216,445.13 = 44,441.39 : x
  2. Step 2: Convert to fraction form
    144,281.25/216,445.13 = 44,441.39/x
  3. Step 3: Cross multiply
    144,281.25x = 216,445.13 × 44,441.39
  4. Step 4: Simplify right side
    144,281.25x = 9,619,122,921.49
  5. Step 5: Solve for x
    x = 9,619,122,921.49/144,281.25
  6. Step 6: Final answer
    x = 66,669.25

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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.