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Finding the Fourth Proportional to 251,103.92, 346,525.95 and 136,383.67

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Solution

The fourth proportional to 251,103.92, 346,525.95 and 136,383.67 is: 188,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,103.92 : 346,525.95 = 136,383.67 : x
  2. Step 2: Convert to fraction form
    251,103.92/346,525.95 = 136,383.67/x
  3. Step 3: Cross multiply
    251,103.92x = 346,525.95 × 136,383.67
  4. Step 4: Simplify right side
    251,103.92x = 47,260,479,039.47
  5. Step 5: Solve for x
    x = 47,260,479,039.47/251,103.92
  6. Step 6: Final answer
    x = 188,210.84

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1.5x scale

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.