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Finding the Fourth Proportional to 110,667.66, 166,043.44 and 66,326.24

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Solution

The fourth proportional to 110,667.66, 166,043.44 and 66,326.24 is: 99,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,667.66 : 166,043.44 = 66,326.24 : x
  2. Step 2: Convert to fraction form
    110,667.66/166,043.44 = 66,326.24/x
  3. Step 3: Cross multiply
    110,667.66x = 166,043.44 × 66,326.24
  4. Step 4: Simplify right side
    110,667.66x = 11,013,037,051.87
  5. Step 5: Solve for x
    x = 11,013,037,051.87/110,667.66
  6. Step 6: Final answer
    x = 99,514.50

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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.