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Finding the Fourth Proportional to 334,145.08, 501,203.84 and 120,918.06

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Solution

The fourth proportional to 334,145.08, 501,203.84 and 120,918.06 is: 181,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,145.08 : 501,203.84 = 120,918.06 : x
  2. Step 2: Convert to fraction form
    334,145.08/501,203.84 = 120,918.06/x
  3. Step 3: Cross multiply
    334,145.08x = 501,203.84 × 120,918.06
  4. Step 4: Simplify right side
    334,145.08x = 60,604,595,997.35
  5. Step 5: Solve for x
    x = 60,604,595,997.35/334,145.08
  6. Step 6: Final answer
    x = 181,372.10

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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.