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Finding the Fourth Proportional to 96,516.88, 144,739.74 and 33,320.86

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Solution

The fourth proportional to 96,516.88, 144,739.74 and 33,320.86 is: 49,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,516.88 : 144,739.74 = 33,320.86 : x
  2. Step 2: Convert to fraction form
    96,516.88/144,739.74 = 33,320.86/x
  3. Step 3: Cross multiply
    96,516.88x = 144,739.74 × 33,320.86
  4. Step 4: Simplify right side
    96,516.88x = 4,822,852,612.98
  5. Step 5: Solve for x
    x = 4,822,852,612.98/96,516.88
  6. Step 6: Final answer
    x = 49,969.01

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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.