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Finding the Fourth Proportional to 69,284.63, 103,849.19 and 34,248.89

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Solution

The fourth proportional to 69,284.63, 103,849.19 and 34,248.89 is: 51,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,284.63 : 103,849.19 = 34,248.89 : x
  2. Step 2: Convert to fraction form
    69,284.63/103,849.19 = 34,248.89/x
  3. Step 3: Cross multiply
    69,284.63x = 103,849.19 × 34,248.89
  4. Step 4: Simplify right side
    69,284.63x = 3,556,719,701.71
  5. Step 5: Solve for x
    x = 3,556,719,701.71/69,284.63
  6. Step 6: Final answer
    x = 51,334.90

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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.