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Finding the Fourth Proportional to 96,582.80, 144,874.20 and 82,002.80

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Solution

The fourth proportional to 96,582.80, 144,874.20 and 82,002.80 is: 123,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,582.80 : 144,874.20 = 82,002.80 : x
  2. Step 2: Convert to fraction form
    96,582.80/144,874.20 = 82,002.80/x
  3. Step 3: Cross multiply
    96,582.80x = 144,874.20 × 82,002.80
  4. Step 4: Simplify right side
    96,582.80x = 11,880,090,047.76
  5. Step 5: Solve for x
    x = 11,880,090,047.76/96,582.80
  6. Step 6: Final answer
    x = 123,004.20

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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.