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Finding the Fourth Proportional to 85,343.04, 117,773.04 and 47,617.36

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Solution

The fourth proportional to 85,343.04, 117,773.04 and 47,617.36 is: 65,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,343.04 : 117,773.04 = 47,617.36 : x
  2. Step 2: Convert to fraction form
    85,343.04/117,773.04 = 47,617.36/x
  3. Step 3: Cross multiply
    85,343.04x = 117,773.04 × 47,617.36
  4. Step 4: Simplify right side
    85,343.04x = 5,608,041,243.97
  5. Step 5: Solve for x
    x = 5,608,041,243.97/85,343.04
  6. Step 6: Final answer
    x = 65,711.76

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1.5x scale

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.