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Finding the Fourth Proportional to 92,968.75, 139,397.67 and 36,816.91

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Solution

The fourth proportional to 92,968.75, 139,397.67 and 36,816.91 is: 55,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,968.75 : 139,397.67 = 36,816.91 : x
  2. Step 2: Convert to fraction form
    92,968.75/139,397.67 = 36,816.91/x
  3. Step 3: Cross multiply
    92,968.75x = 139,397.67 × 36,816.91
  4. Step 4: Simplify right side
    92,968.75x = 5,132,191,470.60
  5. Step 5: Solve for x
    x = 5,132,191,470.60/92,968.75
  6. Step 6: Final answer
    x = 55,203.40

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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.