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Finding the Fourth Proportional to 144,610.88, 216,918.24 and 74,454.08

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Solution

The fourth proportional to 144,610.88, 216,918.24 and 74,454.08 is: 111,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,610.88 : 216,918.24 = 74,454.08 : x
  2. Step 2: Convert to fraction form
    144,610.88/216,918.24 = 74,454.08/x
  3. Step 3: Cross multiply
    144,610.88x = 216,918.24 × 74,454.08
  4. Step 4: Simplify right side
    144,610.88x = 16,150,447,994.42
  5. Step 5: Solve for x
    x = 16,150,447,994.42/144,610.88
  6. Step 6: Final answer
    x = 111,682.11

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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.