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Finding the Fourth Proportional to 248,051, 372,076.52 and 72,947

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Solution

The fourth proportional to 248,051, 372,076.52 and 72,947 is: 109,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,051 : 372,076.52 = 72,947 : x
  2. Step 2: Convert to fraction form
    248,051/372,076.52 = 72,947/x
  3. Step 3: Cross multiply
    248,051x = 372,076.52 × 72,947
  4. Step 4: Simplify right side
    248,051x = 27,141,865,904.44
  5. Step 5: Solve for x
    x = 27,141,865,904.44/248,051
  6. Step 6: Final answer
    x = 109,420.51

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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.