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Finding the Fourth Proportional to 109,055.74, 150,485.44 and 60,649.84

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Solution

The fourth proportional to 109,055.74, 150,485.44 and 60,649.84 is: 83,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.74 : 150,485.44 = 60,649.84 : x
  2. Step 2: Convert to fraction form
    109,055.74/150,485.44 = 60,649.84/x
  3. Step 3: Cross multiply
    109,055.74x = 150,485.44 × 60,649.84
  4. Step 4: Simplify right side
    109,055.74x = 9,126,917,858.33
  5. Step 5: Solve for x
    x = 9,126,917,858.33/109,055.74
  6. Step 6: Final answer
    x = 83,690.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.