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Finding the Fourth Proportional to 223,119.94, 334,679.91 and 56,907.94

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Solution

The fourth proportional to 223,119.94, 334,679.91 and 56,907.94 is: 85,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,119.94 : 334,679.91 = 56,907.94 : x
  2. Step 2: Convert to fraction form
    223,119.94/334,679.91 = 56,907.94/x
  3. Step 3: Cross multiply
    223,119.94x = 334,679.91 × 56,907.94
  4. Step 4: Simplify right side
    223,119.94x = 19,045,943,187.38
  5. Step 5: Solve for x
    x = 19,045,943,187.38/223,119.94
  6. Step 6: Final answer
    x = 85,361.91

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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.