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Finding the Fourth Proportional to 92,589.47, 127,773.67 and 50,148

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Solution

The fourth proportional to 92,589.47, 127,773.67 and 50,148 is: 69,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,589.47 : 127,773.67 = 50,148 : x
  2. Step 2: Convert to fraction form
    92,589.47/127,773.67 = 50,148/x
  3. Step 3: Cross multiply
    92,589.47x = 127,773.67 × 50,148
  4. Step 4: Simplify right side
    92,589.47x = 6,407,594,003.16
  5. Step 5: Solve for x
    x = 6,407,594,003.16/92,589.47
  6. Step 6: Final answer
    x = 69,204.35

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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.