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Finding the Fourth Proportional to 69,007.16, 103,510.74 and 44,538.68

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Solution

The fourth proportional to 69,007.16, 103,510.74 and 44,538.68 is: 66,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,007.16 : 103,510.74 = 44,538.68 : x
  2. Step 2: Convert to fraction form
    69,007.16/103,510.74 = 44,538.68/x
  3. Step 3: Cross multiply
    69,007.16x = 103,510.74 × 44,538.68
  4. Step 4: Simplify right side
    69,007.16x = 4,610,231,725.42
  5. Step 5: Solve for x
    x = 4,610,231,725.42/69,007.16
  6. Step 6: Final answer
    x = 66,808.02

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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.