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Finding the Fourth Proportional to 270,064.94, 372,670.88 and 149,205.24

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Solution

The fourth proportional to 270,064.94, 372,670.88 and 149,205.24 is: 205,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,064.94 : 372,670.88 = 149,205.24 : x
  2. Step 2: Convert to fraction form
    270,064.94/372,670.88 = 149,205.24/x
  3. Step 3: Cross multiply
    270,064.94x = 372,670.88 × 149,205.24
  4. Step 4: Simplify right side
    270,064.94x = 55,604,447,345.39
  5. Step 5: Solve for x
    x = 55,604,447,345.39/270,064.94
  6. Step 6: Final answer
    x = 205,892.88

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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.