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Finding the Fourth Proportional to 144,062.60, 216,126 and 44,231.49

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Solution

The fourth proportional to 144,062.60, 216,126 and 44,231.49 is: 66,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,062.60 : 216,126 = 44,231.49 : x
  2. Step 2: Convert to fraction form
    144,062.60/216,126 = 44,231.49/x
  3. Step 3: Cross multiply
    144,062.60x = 216,126 × 44,231.49
  4. Step 4: Simplify right side
    144,062.60x = 9,559,575,007.74
  5. Step 5: Solve for x
    x = 9,559,575,007.74/144,062.60
  6. Step 6: Final answer
    x = 66,357.09

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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.