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Finding the Fourth Proportional to 75,343.44, 103,975.56 and 41,812.56

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Solution

The fourth proportional to 75,343.44, 103,975.56 and 41,812.56 is: 57,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,343.44 : 103,975.56 = 41,812.56 : x
  2. Step 2: Convert to fraction form
    75,343.44/103,975.56 = 41,812.56/x
  3. Step 3: Cross multiply
    75,343.44x = 103,975.56 × 41,812.56
  4. Step 4: Simplify right side
    75,343.44x = 4,347,484,341.03
  5. Step 5: Solve for x
    x = 4,347,484,341.03/75,343.44
  6. Step 6: Final answer
    x = 57,702.23

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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.