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Finding the Fourth Proportional to 169,634.70, 254,452.05 and 165,746.70

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Solution

The fourth proportional to 169,634.70, 254,452.05 and 165,746.70 is: 248,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,634.70 : 254,452.05 = 165,746.70 : x
  2. Step 2: Convert to fraction form
    169,634.70/254,452.05 = 165,746.70/x
  3. Step 3: Cross multiply
    169,634.70x = 254,452.05 × 165,746.70
  4. Step 4: Simplify right side
    169,634.70x = 42,174,587,595.74
  5. Step 5: Solve for x
    x = 42,174,587,595.74/169,634.70
  6. Step 6: Final answer
    x = 248,620.05

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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.