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Finding the Fourth Proportional to 165,959.70, 248,642.55 and 100,925.70

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Solution

The fourth proportional to 165,959.70, 248,642.55 and 100,925.70 is: 151,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,959.70 : 248,642.55 = 100,925.70 : x
  2. Step 2: Convert to fraction form
    165,959.70/248,642.55 = 100,925.70/x
  3. Step 3: Cross multiply
    165,959.70x = 248,642.55 × 100,925.70
  4. Step 4: Simplify right side
    165,959.70x = 25,094,423,408.54
  5. Step 5: Solve for x
    x = 25,094,423,408.54/165,959.70
  6. Step 6: Final answer
    x = 151,207.93

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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.