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Finding the Fourth Proportional to 124,060.98, 186,164.37 and 45,179.94

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Solution

The fourth proportional to 124,060.98, 186,164.37 and 45,179.94 is: 67,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,060.98 : 186,164.37 = 45,179.94 : x
  2. Step 2: Convert to fraction form
    124,060.98/186,164.37 = 45,179.94/x
  3. Step 3: Cross multiply
    124,060.98x = 186,164.37 × 45,179.94
  4. Step 4: Simplify right side
    124,060.98x = 8,410,895,066.74
  5. Step 5: Solve for x
    x = 8,410,895,066.74/124,060.98
  6. Step 6: Final answer
    x = 67,796.46

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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.