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Finding the Fourth Proportional to 334,125.80, 501,188.70 and 120,893.30

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Solution

The fourth proportional to 334,125.80, 501,188.70 and 120,893.30 is: 181,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,125.80 : 501,188.70 = 120,893.30 : x
  2. Step 2: Convert to fraction form
    334,125.80/501,188.70 = 120,893.30/x
  3. Step 3: Cross multiply
    334,125.80x = 501,188.70 × 120,893.30
  4. Step 4: Simplify right side
    334,125.80x = 60,590,355,865.71
  5. Step 5: Solve for x
    x = 60,590,355,865.71/334,125.80
  6. Step 6: Final answer
    x = 181,339.95

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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.