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Finding the Fourth Proportional to 75,059.93, 103,568.31 and 42,793.94

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Solution

The fourth proportional to 75,059.93, 103,568.31 and 42,793.94 is: 59,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,059.93 : 103,568.31 = 42,793.94 : x
  2. Step 2: Convert to fraction form
    75,059.93/103,568.31 = 42,793.94/x
  3. Step 3: Cross multiply
    75,059.93x = 103,568.31 × 42,793.94
  4. Step 4: Simplify right side
    75,059.93x = 4,432,095,526.20
  5. Step 5: Solve for x
    x = 4,432,095,526.20/75,059.93
  6. Step 6: Final answer
    x = 59,047.43

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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.