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Finding the Fourth Proportional to 248,509.13, 372,763.69 and 61,520.63

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Solution

The fourth proportional to 248,509.13, 372,763.69 and 61,520.63 is: 92,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,509.13 : 372,763.69 = 61,520.63 : x
  2. Step 2: Convert to fraction form
    248,509.13/372,763.69 = 61,520.63/x
  3. Step 3: Cross multiply
    248,509.13x = 372,763.69 × 61,520.63
  4. Step 4: Simplify right side
    248,509.13x = 22,932,655,032.30
  5. Step 5: Solve for x
    x = 22,932,655,032.30/248,509.13
  6. Step 6: Final answer
    x = 92,280.94

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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.