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Finding the Fourth Proportional to 168,752.51, 232,878.39 and 92,272

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Solution

The fourth proportional to 168,752.51, 232,878.39 and 92,272 is: 127,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,752.51 : 232,878.39 = 92,272 : x
  2. Step 2: Convert to fraction form
    168,752.51/232,878.39 = 92,272/x
  3. Step 3: Cross multiply
    168,752.51x = 232,878.39 × 92,272
  4. Step 4: Simplify right side
    168,752.51x = 21,488,154,802.08
  5. Step 5: Solve for x
    x = 21,488,154,802.08/168,752.51
  6. Step 6: Final answer
    x = 127,335.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.