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Finding the Fourth Proportional to 183,401.70, 275,102.55 and 103,685.55

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Solution

The fourth proportional to 183,401.70, 275,102.55 and 103,685.55 is: 155,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,401.70 : 275,102.55 = 103,685.55 : x
  2. Step 2: Convert to fraction form
    183,401.70/275,102.55 = 103,685.55/x
  3. Step 3: Cross multiply
    183,401.70x = 275,102.55 × 103,685.55
  4. Step 4: Simplify right side
    183,401.70x = 28,524,159,203.15
  5. Step 5: Solve for x
    x = 28,524,159,203.15/183,401.70
  6. Step 6: Final answer
    x = 155,528.33

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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.