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Finding the Fourth Proportional to 69,852.60, 104,783.26 and 34,756.92

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Solution

The fourth proportional to 69,852.60, 104,783.26 and 34,756.92 is: 52,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852.60 : 104,783.26 = 34,756.92 : x
  2. Step 2: Convert to fraction form
    69,852.60/104,783.26 = 34,756.92/x
  3. Step 3: Cross multiply
    69,852.60x = 104,783.26 × 34,756.92
  4. Step 4: Simplify right side
    69,852.60x = 3,641,943,385.16
  5. Step 5: Solve for x
    x = 3,641,943,385.16/69,852.60
  6. Step 6: Final answer
    x = 52,137.55

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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.