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Finding the Fourth Proportional to 100,558.01, 150,900.55 and 56,213.84

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Solution

The fourth proportional to 100,558.01, 150,900.55 and 56,213.84 is: 84,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,558.01 : 150,900.55 = 56,213.84 : x
  2. Step 2: Convert to fraction form
    100,558.01/150,900.55 = 56,213.84/x
  3. Step 3: Cross multiply
    100,558.01x = 150,900.55 × 56,213.84
  4. Step 4: Simplify right side
    100,558.01x = 8,482,699,610.33
  5. Step 5: Solve for x
    x = 8,482,699,610.33/100,558.01
  6. Step 6: Final answer
    x = 84,356.28

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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.