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Finding the Fourth Proportional to 96,615.80, 144,995.70 and 49,844.60

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Solution

The fourth proportional to 96,615.80, 144,995.70 and 49,844.60 is: 74,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,615.80 : 144,995.70 = 49,844.60 : x
  2. Step 2: Convert to fraction form
    96,615.80/144,995.70 = 49,844.60/x
  3. Step 3: Cross multiply
    96,615.80x = 144,995.70 × 49,844.60
  4. Step 4: Simplify right side
    96,615.80x = 7,227,252,668.22
  5. Step 5: Solve for x
    x = 7,227,252,668.22/96,615.80
  6. Step 6: Final answer
    x = 74,804.05

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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.