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Finding the Fourth Proportional to 251,649.03, 377,473.54 and 91,736.95

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Solution

The fourth proportional to 251,649.03, 377,473.54 and 91,736.95 is: 137,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,649.03 : 377,473.54 = 91,736.95 : x
  2. Step 2: Convert to fraction form
    251,649.03/377,473.54 = 91,736.95/x
  3. Step 3: Cross multiply
    251,649.03x = 377,473.54 × 91,736.95
  4. Step 4: Simplify right side
    251,649.03x = 34,628,271,265.30
  5. Step 5: Solve for x
    x = 34,628,271,265.30/251,649.03
  6. Step 6: Final answer
    x = 137,605.42

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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.