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Finding the Fourth Proportional to 74,693.32, 103,069.40 and 44,065.76

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Solution

The fourth proportional to 74,693.32, 103,069.40 and 44,065.76 is: 60,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.32 : 103,069.40 = 44,065.76 : x
  2. Step 2: Convert to fraction form
    74,693.32/103,069.40 = 44,065.76/x
  3. Step 3: Cross multiply
    74,693.32x = 103,069.40 × 44,065.76
  4. Step 4: Simplify right side
    74,693.32x = 4,541,831,443.74
  5. Step 5: Solve for x
    x = 4,541,831,443.74/74,693.32
  6. Step 6: Final answer
    x = 60,806.39

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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.