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Finding the Fourth Proportional to 96,636.68, 145,004.50 and 44,039.40

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Solution

The fourth proportional to 96,636.68, 145,004.50 and 44,039.40 is: 66,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,636.68 : 145,004.50 = 44,039.40 : x
  2. Step 2: Convert to fraction form
    96,636.68/145,004.50 = 44,039.40/x
  3. Step 3: Cross multiply
    96,636.68x = 145,004.50 × 44,039.40
  4. Step 4: Simplify right side
    96,636.68x = 6,385,911,177.30
  5. Step 5: Solve for x
    x = 6,385,911,177.30/96,636.68
  6. Step 6: Final answer
    x = 66,081.65

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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.