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Finding the Fourth Proportional to 73,606.12, 110,407.90 and 18,202.12

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Solution

The fourth proportional to 73,606.12, 110,407.90 and 18,202.12 is: 27,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,606.12 : 110,407.90 = 18,202.12 : x
  2. Step 2: Convert to fraction form
    73,606.12/110,407.90 = 18,202.12/x
  3. Step 3: Cross multiply
    73,606.12x = 110,407.90 × 18,202.12
  4. Step 4: Simplify right side
    73,606.12x = 2,009,657,844.75
  5. Step 5: Solve for x
    x = 2,009,657,844.75/73,606.12
  6. Step 6: Final answer
    x = 27,302.86

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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.