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Finding the Fourth Proportional to 104,493.45, 156,740.18 and 25,608.45

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Solution

The fourth proportional to 104,493.45, 156,740.18 and 25,608.45 is: 38,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.45 : 156,740.18 = 25,608.45 : x
  2. Step 2: Convert to fraction form
    104,493.45/156,740.18 = 25,608.45/x
  3. Step 3: Cross multiply
    104,493.45x = 156,740.18 × 25,608.45
  4. Step 4: Simplify right side
    104,493.45x = 4,013,872,934.48
  5. Step 5: Solve for x
    x = 4,013,872,934.48/104,493.45
  6. Step 6: Final answer
    x = 38,412.68

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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.