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Finding the Fourth Proportional to 144,237.33, 216,376.47 and 44,405.82

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Solution

The fourth proportional to 144,237.33, 216,376.47 and 44,405.82 is: 66,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,237.33 : 216,376.47 = 44,405.82 : x
  2. Step 2: Convert to fraction form
    144,237.33/216,376.47 = 44,405.82/x
  3. Step 3: Cross multiply
    144,237.33x = 216,376.47 × 44,405.82
  4. Step 4: Simplify right side
    144,237.33x = 9,608,374,579.06
  5. Step 5: Solve for x
    x = 9,608,374,579.06/144,237.33
  6. Step 6: Final answer
    x = 66,615.03

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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.