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Finding the Fourth Proportional to 163,148.88, 244,723.20 and 44,820.72

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Solution

The fourth proportional to 163,148.88, 244,723.20 and 44,820.72 is: 67,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,148.88 : 244,723.20 = 44,820.72 : x
  2. Step 2: Convert to fraction form
    163,148.88/244,723.20 = 44,820.72/x
  3. Step 3: Cross multiply
    163,148.88x = 244,723.20 × 44,820.72
  4. Step 4: Simplify right side
    163,148.88x = 10,968,670,024.70
  5. Step 5: Solve for x
    x = 10,968,670,024.70/163,148.88
  6. Step 6: Final answer
    x = 67,231.05

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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.