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Finding the Fourth Proportional to 136,031.10, 204,046.65 and 104,927.10

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Solution

The fourth proportional to 136,031.10, 204,046.65 and 104,927.10 is: 157,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,031.10 : 204,046.65 = 104,927.10 : x
  2. Step 2: Convert to fraction form
    136,031.10/204,046.65 = 104,927.10/x
  3. Step 3: Cross multiply
    136,031.10x = 204,046.65 × 104,927.10
  4. Step 4: Simplify right side
    136,031.10x = 21,410,023,249.22
  5. Step 5: Solve for x
    x = 21,410,023,249.22/136,031.10
  6. Step 6: Final answer
    x = 157,390.65

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1.5x scale

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.