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Finding the Fourth Proportional to 92,683.82, 139,033.01 and 36,520.04

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Solution

The fourth proportional to 92,683.82, 139,033.01 and 36,520.04 is: 54,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,683.82 : 139,033.01 = 36,520.04 : x
  2. Step 2: Convert to fraction form
    92,683.82/139,033.01 = 36,520.04/x
  3. Step 3: Cross multiply
    92,683.82x = 139,033.01 × 36,520.04
  4. Step 4: Simplify right side
    92,683.82x = 5,077,490,482.66
  5. Step 5: Solve for x
    x = 5,077,490,482.66/92,683.82
  6. Step 6: Final answer
    x = 54,782.92

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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.