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Finding the Fourth Proportional to 92,650.62, 139,161.91 and 55,283.62

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Solution

The fourth proportional to 92,650.62, 139,161.91 and 55,283.62 is: 83,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,650.62 : 139,161.91 = 55,283.62 : x
  2. Step 2: Convert to fraction form
    92,650.62/139,161.91 = 55,283.62/x
  3. Step 3: Cross multiply
    92,650.62x = 139,161.91 × 55,283.62
  4. Step 4: Simplify right side
    92,650.62x = 7,693,374,150.91
  5. Step 5: Solve for x
    x = 7,693,374,150.91/92,650.62
  6. Step 6: Final answer
    x = 83,036.40

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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.