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Finding the Fourth Proportional to 61,363.40, 91,814.70 and 55,833.80

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Solution

The fourth proportional to 61,363.40, 91,814.70 and 55,833.80 is: 83,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.40 : 91,814.70 = 55,833.80 : x
  2. Step 2: Convert to fraction form
    61,363.40/91,814.70 = 55,833.80/x
  3. Step 3: Cross multiply
    61,363.40x = 91,814.70 × 55,833.80
  4. Step 4: Simplify right side
    61,363.40x = 5,126,363,596.86
  5. Step 5: Solve for x
    x = 5,126,363,596.86/61,363.40
  6. Step 6: Final answer
    x = 83,541.06

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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.