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Finding the Fourth Proportional to 104,237.84, 156,378.83 and 40,197.62

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Solution

The fourth proportional to 104,237.84, 156,378.83 and 40,197.62 is: 60,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,237.84 : 156,378.83 = 40,197.62 : x
  2. Step 2: Convert to fraction form
    104,237.84/156,378.83 = 40,197.62/x
  3. Step 3: Cross multiply
    104,237.84x = 156,378.83 × 40,197.62
  4. Step 4: Simplify right side
    104,237.84x = 6,286,055,801.50
  5. Step 5: Solve for x
    x = 6,286,055,801.50/104,237.84
  6. Step 6: Final answer
    x = 60,304.93

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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.