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Finding the Fourth Proportional to 104,003.95, 155,880.60 and 47,766.46

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Solution

The fourth proportional to 104,003.95, 155,880.60 and 47,766.46 is: 71,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,003.95 : 155,880.60 = 47,766.46 : x
  2. Step 2: Convert to fraction form
    104,003.95/155,880.60 = 47,766.46/x
  3. Step 3: Cross multiply
    104,003.95x = 155,880.60 × 47,766.46
  4. Step 4: Simplify right side
    104,003.95x = 7,445,864,444.68
  5. Step 5: Solve for x
    x = 7,445,864,444.68/104,003.95
  6. Step 6: Final answer
    x = 71,592.13

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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.