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Finding the Fourth Proportional to 251,363.99, 346,889.03 and 136,650.33

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Solution

The fourth proportional to 251,363.99, 346,889.03 and 136,650.33 is: 188,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,363.99 : 346,889.03 = 136,650.33 : x
  2. Step 2: Convert to fraction form
    251,363.99/346,889.03 = 136,650.33/x
  3. Step 3: Cross multiply
    251,363.99x = 346,889.03 × 136,650.33
  4. Step 4: Simplify right side
    251,363.99x = 47,402,498,005.18
  5. Step 5: Solve for x
    x = 47,402,498,005.18/251,363.99
  6. Step 6: Final answer
    x = 188,581.10

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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.