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Finding the Fourth Proportional to 104,808.80, 156,903.78 and 69,204.44

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Solution

The fourth proportional to 104,808.80, 156,903.78 and 69,204.44 is: 103,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,808.80 : 156,903.78 = 69,204.44 : x
  2. Step 2: Convert to fraction form
    104,808.80/156,903.78 = 69,204.44/x
  3. Step 3: Cross multiply
    104,808.80x = 156,903.78 × 69,204.44
  4. Step 4: Simplify right side
    104,808.80x = 10,858,438,228.78
  5. Step 5: Solve for x
    x = 10,858,438,228.78/104,808.80
  6. Step 6: Final answer
    x = 103,602.35

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1.5x scale

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.