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Finding the Fourth Proportional to 100,362.60, 150,543.90 and 26,490.60

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Solution

The fourth proportional to 100,362.60, 150,543.90 and 26,490.60 is: 39,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,362.60 : 150,543.90 = 26,490.60 : x
  2. Step 2: Convert to fraction form
    100,362.60/150,543.90 = 26,490.60/x
  3. Step 3: Cross multiply
    100,362.60x = 150,543.90 × 26,490.60
  4. Step 4: Simplify right side
    100,362.60x = 3,987,998,237.34
  5. Step 5: Solve for x
    x = 3,987,998,237.34/100,362.60
  6. Step 6: Final answer
    x = 39,735.90

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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.