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Finding the Fourth Proportional to 168,054.80, 251,844.60 and 93,207.92

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Solution

The fourth proportional to 168,054.80, 251,844.60 and 93,207.92 is: 139,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.80 : 251,844.60 = 93,207.92 : x
  2. Step 2: Convert to fraction form
    168,054.80/251,844.60 = 93,207.92/x
  3. Step 3: Cross multiply
    168,054.80x = 251,844.60 × 93,207.92
  4. Step 4: Simplify right side
    168,054.80x = 23,473,911,329.23
  5. Step 5: Solve for x
    x = 23,473,911,329.23/168,054.80
  6. Step 6: Final answer
    x = 139,680.10

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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.