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Finding the Fourth Proportional to 294,018.68, 441,131.70 and 107,049.08

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Solution

The fourth proportional to 294,018.68, 441,131.70 and 107,049.08 is: 160,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,018.68 : 441,131.70 = 107,049.08 : x
  2. Step 2: Convert to fraction form
    294,018.68/441,131.70 = 107,049.08/x
  3. Step 3: Cross multiply
    294,018.68x = 441,131.70 × 107,049.08
  4. Step 4: Simplify right side
    294,018.68x = 47,222,742,643.84
  5. Step 5: Solve for x
    x = 47,222,742,643.84/294,018.68
  6. Step 6: Final answer
    x = 160,611.37

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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.