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Finding the Fourth Proportional to 169,443.61, 254,078.58 and 89,524.48

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Solution

The fourth proportional to 169,443.61, 254,078.58 and 89,524.48 is: 134,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,443.61 : 254,078.58 = 89,524.48 : x
  2. Step 2: Convert to fraction form
    169,443.61/254,078.58 = 89,524.48/x
  3. Step 3: Cross multiply
    169,443.61x = 254,078.58 × 89,524.48
  4. Step 4: Simplify right side
    169,443.61x = 22,746,252,753.64
  5. Step 5: Solve for x
    x = 22,746,252,753.64/169,443.61
  6. Step 6: Final answer
    x = 134,240.84

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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.