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Finding the Fourth Proportional to 111,214.59, 166,820.42 and 44,653.52

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Solution

The fourth proportional to 111,214.59, 166,820.42 and 44,653.52 is: 66,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,214.59 : 166,820.42 = 44,653.52 : x
  2. Step 2: Convert to fraction form
    111,214.59/166,820.42 = 44,653.52/x
  3. Step 3: Cross multiply
    111,214.59x = 166,820.42 × 44,653.52
  4. Step 4: Simplify right side
    111,214.59x = 7,449,117,903.51
  5. Step 5: Solve for x
    x = 7,449,117,903.51/111,214.59
  6. Step 6: Final answer
    x = 66,979.68

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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.