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Finding the Fourth Proportional to 110,697.49, 166,159.23 and 81,027.19

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Solution

The fourth proportional to 110,697.49, 166,159.23 and 81,027.19 is: 121,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,697.49 : 166,159.23 = 81,027.19 : x
  2. Step 2: Convert to fraction form
    110,697.49/166,159.23 = 81,027.19/x
  3. Step 3: Cross multiply
    110,697.49x = 166,159.23 × 81,027.19
  4. Step 4: Simplify right side
    110,697.49x = 13,463,415,499.46
  5. Step 5: Solve for x
    x = 13,463,415,499.46/110,697.49
  6. Step 6: Final answer
    x = 121,623.49

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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.