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Finding the Fourth Proportional to 169,767.51, 234,279.12 and 93,291.54

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Solution

The fourth proportional to 169,767.51, 234,279.12 and 93,291.54 is: 128,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,767.51 : 234,279.12 = 93,291.54 : x
  2. Step 2: Convert to fraction form
    169,767.51/234,279.12 = 93,291.54/x
  3. Step 3: Cross multiply
    169,767.51x = 234,279.12 × 93,291.54
  4. Step 4: Simplify right side
    169,767.51x = 21,856,259,894.64
  5. Step 5: Solve for x
    x = 21,856,259,894.64/169,767.51
  6. Step 6: Final answer
    x = 128,742.30

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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.