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Finding the Fourth Proportional to 144,447.44, 216,746.68 and 59,121.64

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Solution

The fourth proportional to 144,447.44, 216,746.68 and 59,121.64 is: 88,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,447.44 : 216,746.68 = 59,121.64 : x
  2. Step 2: Convert to fraction form
    144,447.44/216,746.68 = 59,121.64/x
  3. Step 3: Cross multiply
    144,447.44x = 216,746.68 × 59,121.64
  4. Step 4: Simplify right side
    144,447.44x = 12,814,419,186.16
  5. Step 5: Solve for x
    x = 12,814,419,186.16/144,447.44
  6. Step 6: Final answer
    x = 88,713.37

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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.