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Finding the Fourth Proportional to 314,950.02, 472,620.94 and 127,961.52

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Solution

The fourth proportional to 314,950.02, 472,620.94 and 127,961.52 is: 192,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,950.02 : 472,620.94 = 127,961.52 : x
  2. Step 2: Convert to fraction form
    314,950.02/472,620.94 = 127,961.52/x
  3. Step 3: Cross multiply
    314,950.02x = 472,620.94 × 127,961.52
  4. Step 4: Simplify right side
    314,950.02x = 60,477,293,866.23
  5. Step 5: Solve for x
    x = 60,477,293,866.23/314,950.02
  6. Step 6: Final answer
    x = 192,021.88

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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.