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Finding the Fourth Proportional to 248,041, 372,061.50 and 72,937

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Solution

The fourth proportional to 248,041, 372,061.50 and 72,937 is: 109,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,041 : 372,061.50 = 72,937 : x
  2. Step 2: Convert to fraction form
    248,041/372,061.50 = 72,937/x
  3. Step 3: Cross multiply
    248,041x = 372,061.50 × 72,937
  4. Step 4: Simplify right side
    248,041x = 27,137,049,625.50
  5. Step 5: Solve for x
    x = 27,137,049,625.50/248,041
  6. Step 6: Final answer
    x = 109,405.50

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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.