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Finding the Fourth Proportional to 127,392.48, 191,165.52 and 44,344.80

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Solution

The fourth proportional to 127,392.48, 191,165.52 and 44,344.80 is: 66,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,392.48 : 191,165.52 = 44,344.80 : x
  2. Step 2: Convert to fraction form
    127,392.48/191,165.52 = 44,344.80/x
  3. Step 3: Cross multiply
    127,392.48x = 191,165.52 × 44,344.80
  4. Step 4: Simplify right side
    127,392.48x = 8,477,196,751.30
  5. Step 5: Solve for x
    x = 8,477,196,751.30/127,392.48
  6. Step 6: Final answer
    x = 66,543.93

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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.