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Finding the Fourth Proportional to 103,350.30, 155,025.45 and 101,600.70

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Solution

The fourth proportional to 103,350.30, 155,025.45 and 101,600.70 is: 152,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,350.30 : 155,025.45 = 101,600.70 : x
  2. Step 2: Convert to fraction form
    103,350.30/155,025.45 = 101,600.70/x
  3. Step 3: Cross multiply
    103,350.30x = 155,025.45 × 101,600.70
  4. Step 4: Simplify right side
    103,350.30x = 15,750,694,237.82
  5. Step 5: Solve for x
    x = 15,750,694,237.82/103,350.30
  6. Step 6: Final answer
    x = 152,401.05

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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.