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Finding the Fourth Proportional to 96,532.40, 144,841.80 and 43,914.80

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Solution

The fourth proportional to 96,532.40, 144,841.80 and 43,914.80 is: 65,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,532.40 : 144,841.80 = 43,914.80 : x
  2. Step 2: Convert to fraction form
    96,532.40/144,841.80 = 43,914.80/x
  3. Step 3: Cross multiply
    96,532.40x = 144,841.80 × 43,914.80
  4. Step 4: Simplify right side
    96,532.40x = 6,360,698,678.64
  5. Step 5: Solve for x
    x = 6,360,698,678.64/96,532.40
  6. Step 6: Final answer
    x = 65,891.85

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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.