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Finding the Fourth Proportional to 168,583.80, 252,875.70 and 89,851.80

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Solution

The fourth proportional to 168,583.80, 252,875.70 and 89,851.80 is: 134,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,583.80 : 252,875.70 = 89,851.80 : x
  2. Step 2: Convert to fraction form
    168,583.80/252,875.70 = 89,851.80/x
  3. Step 3: Cross multiply
    168,583.80x = 252,875.70 × 89,851.80
  4. Step 4: Simplify right side
    168,583.80x = 22,721,336,821.26
  5. Step 5: Solve for x
    x = 22,721,336,821.26/168,583.80
  6. Step 6: Final answer
    x = 134,777.70

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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.