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Finding the Fourth Proportional to 92,567.70, 127,742.79 and 50,125.26

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Solution

The fourth proportional to 92,567.70, 127,742.79 and 50,125.26 is: 69,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,567.70 : 127,742.79 = 50,125.26 : x
  2. Step 2: Convert to fraction form
    92,567.70/127,742.79 = 50,125.26/x
  3. Step 3: Cross multiply
    92,567.70x = 127,742.79 × 50,125.26
  4. Step 4: Simplify right side
    92,567.70x = 6,403,140,561.88
  5. Step 5: Solve for x
    x = 6,403,140,561.88/92,567.70
  6. Step 6: Final answer
    x = 69,172.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.