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Finding the Fourth Proportional to 106,908.60, 160,362.90 and 51,612.60

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Solution

The fourth proportional to 106,908.60, 160,362.90 and 51,612.60 is: 77,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,908.60 : 160,362.90 = 51,612.60 : x
  2. Step 2: Convert to fraction form
    106,908.60/160,362.90 = 51,612.60/x
  3. Step 3: Cross multiply
    106,908.60x = 160,362.90 × 51,612.60
  4. Step 4: Simplify right side
    106,908.60x = 8,276,746,212.54
  5. Step 5: Solve for x
    x = 8,276,746,212.54/106,908.60
  6. Step 6: Final answer
    x = 77,418.90

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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.