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Finding the Fourth Proportional to 251,033.58, 346,409.87 and 149,053.77

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Solution

The fourth proportional to 251,033.58, 346,409.87 and 149,053.77 is: 205,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,033.58 : 346,409.87 = 149,053.77 : x
  2. Step 2: Convert to fraction form
    251,033.58/346,409.87 = 149,053.77/x
  3. Step 3: Cross multiply
    251,033.58x = 346,409.87 × 149,053.77
  4. Step 4: Simplify right side
    251,033.58x = 51,633,696,343.44
  5. Step 5: Solve for x
    x = 51,633,696,343.44/251,033.58
  6. Step 6: Final answer
    x = 205,684.42

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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.