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Finding the Fourth Proportional to 92,430.39, 127,559.84 and 52,129.44

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Solution

The fourth proportional to 92,430.39, 127,559.84 and 52,129.44 is: 71,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.39 : 127,559.84 = 52,129.44 : x
  2. Step 2: Convert to fraction form
    92,430.39/127,559.84 = 52,129.44/x
  3. Step 3: Cross multiply
    92,430.39x = 127,559.84 × 52,129.44
  4. Step 4: Simplify right side
    92,430.39x = 6,649,623,025.69
  5. Step 5: Solve for x
    x = 6,649,623,025.69/92,430.39
  6. Step 6: Final answer
    x = 71,941.96

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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.