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Finding the Fourth Proportional to 100,615.60, 150,914.63 and 34,054.24

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Solution

The fourth proportional to 100,615.60, 150,914.63 and 34,054.24 is: 51,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,615.60 : 150,914.63 = 34,054.24 : x
  2. Step 2: Convert to fraction form
    100,615.60/150,914.63 = 34,054.24/x
  3. Step 3: Cross multiply
    100,615.60x = 150,914.63 × 34,054.24
  4. Step 4: Simplify right side
    100,615.60x = 5,139,283,029.53
  5. Step 5: Solve for x
    x = 5,139,283,029.53/100,615.60
  6. Step 6: Final answer
    x = 51,078.39

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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.