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Finding the Fourth Proportional to 275,802.80, 413,752.80 and 98,412.80

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Solution

The fourth proportional to 275,802.80, 413,752.80 and 98,412.80 is: 147,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,802.80 : 413,752.80 = 98,412.80 : x
  2. Step 2: Convert to fraction form
    275,802.80/413,752.80 = 98,412.80/x
  3. Step 3: Cross multiply
    275,802.80x = 413,752.80 × 98,412.80
  4. Step 4: Simplify right side
    275,802.80x = 40,718,571,555.84
  5. Step 5: Solve for x
    x = 40,718,571,555.84/275,802.80
  6. Step 6: Final answer
    x = 147,636.54

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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.