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Finding the Fourth Proportional to 92,673.50, 127,891.42 and 52,384.86

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Solution

The fourth proportional to 92,673.50, 127,891.42 and 52,384.86 is: 72,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.50 : 127,891.42 = 52,384.86 : x
  2. Step 2: Convert to fraction form
    92,673.50/127,891.42 = 52,384.86/x
  3. Step 3: Cross multiply
    92,673.50x = 127,891.42 × 52,384.86
  4. Step 4: Simplify right side
    92,673.50x = 6,699,574,131.90
  5. Step 5: Solve for x
    x = 6,699,574,131.90/92,673.50
  6. Step 6: Final answer
    x = 72,292.23

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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.