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Finding the Fourth Proportional to 127,672.80, 191,596.64 and 44,566.80

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Solution

The fourth proportional to 127,672.80, 191,596.64 and 44,566.80 is: 66,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,672.80 : 191,596.64 = 44,566.80 : x
  2. Step 2: Convert to fraction form
    127,672.80/191,596.64 = 44,566.80/x
  3. Step 3: Cross multiply
    127,672.80x = 191,596.64 × 44,566.80
  4. Step 4: Simplify right side
    127,672.80x = 8,538,849,135.55
  5. Step 5: Solve for x
    x = 8,538,849,135.55/127,672.80
  6. Step 6: Final answer
    x = 66,880.72

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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.