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Finding the Fourth Proportional to 251,363.48, 346,888.24 and 136,649.84

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Solution

The fourth proportional to 251,363.48, 346,888.24 and 136,649.84 is: 188,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,363.48 : 346,888.24 = 136,649.84 : x
  2. Step 2: Convert to fraction form
    251,363.48/346,888.24 = 136,649.84/x
  3. Step 3: Cross multiply
    251,363.48x = 346,888.24 × 136,649.84
  4. Step 4: Simplify right side
    251,363.48x = 47,402,222,493.88
  5. Step 5: Solve for x
    x = 47,402,222,493.88/251,363.48
  6. Step 6: Final answer
    x = 188,580.39

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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.