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Finding the Fourth Proportional to 69,433.92, 104,106.74 and 58,907.57

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Solution

The fourth proportional to 69,433.92, 104,106.74 and 58,907.57 is: 88,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,433.92 : 104,106.74 = 58,907.57 : x
  2. Step 2: Convert to fraction form
    69,433.92/104,106.74 = 58,907.57/x
  3. Step 3: Cross multiply
    69,433.92x = 104,106.74 × 58,907.57
  4. Step 4: Simplify right side
    69,433.92x = 6,132,674,258.95
  5. Step 5: Solve for x
    x = 6,132,674,258.95/69,433.92
  6. Step 6: Final answer
    x = 88,323.89

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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.