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Finding the Fourth Proportional to 101,906.70, 152,860.05 and 28,034.70

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Solution

The fourth proportional to 101,906.70, 152,860.05 and 28,034.70 is: 42,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,906.70 : 152,860.05 = 28,034.70 : x
  2. Step 2: Convert to fraction form
    101,906.70/152,860.05 = 28,034.70/x
  3. Step 3: Cross multiply
    101,906.70x = 152,860.05 × 28,034.70
  4. Step 4: Simplify right side
    101,906.70x = 4,285,385,643.74
  5. Step 5: Solve for x
    x = 4,285,385,643.74/101,906.70
  6. Step 6: Final answer
    x = 42,052.05

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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.