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Finding the Fourth Proportional to 110,807.68, 166,088.40 and 84,425.44

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Solution

The fourth proportional to 110,807.68, 166,088.40 and 84,425.44 is: 126,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.68 : 166,088.40 = 84,425.44 : x
  2. Step 2: Convert to fraction form
    110,807.68/166,088.40 = 84,425.44/x
  3. Step 3: Cross multiply
    110,807.68x = 166,088.40 × 84,425.44
  4. Step 4: Simplify right side
    110,807.68x = 14,022,086,248.90
  5. Step 5: Solve for x
    x = 14,022,086,248.90/110,807.68
  6. Step 6: Final answer
    x = 126,544.35

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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.