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Finding the Fourth Proportional to 66,851.58, 100,178.91 and 37,228.71

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Solution

The fourth proportional to 66,851.58, 100,178.91 and 37,228.71 is: 55,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.58 : 100,178.91 = 37,228.71 : x
  2. Step 2: Convert to fraction form
    66,851.58/100,178.91 = 37,228.71/x
  3. Step 3: Cross multiply
    66,851.58x = 100,178.91 × 37,228.71
  4. Step 4: Simplify right side
    66,851.58x = 3,729,531,588.51
  5. Step 5: Solve for x
    x = 3,729,531,588.51/66,851.58
  6. Step 6: Final answer
    x = 55,788.23

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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.