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Finding the Fourth Proportional to 100,949.70, 151,424.55 and 34,464.90

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Solution

The fourth proportional to 100,949.70, 151,424.55 and 34,464.90 is: 51,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,949.70 : 151,424.55 = 34,464.90 : x
  2. Step 2: Convert to fraction form
    100,949.70/151,424.55 = 34,464.90/x
  3. Step 3: Cross multiply
    100,949.70x = 151,424.55 × 34,464.90
  4. Step 4: Simplify right side
    100,949.70x = 5,218,831,973.30
  5. Step 5: Solve for x
    x = 5,218,831,973.30/100,949.70
  6. Step 6: Final answer
    x = 51,697.35

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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.