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Finding the Fourth Proportional to 215,548,892.80, 323,432,548.80 and 94,381,532.80

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Solution

The fourth proportional to 215,548,892.80, 323,432,548.80 and 94,381,532.80 is: 141,620,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,548,892.80 : 323,432,548.80 = 94,381,532.80 : x
  2. Step 2: Convert to fraction form
    215,548,892.80/323,432,548.80 = 94,381,532.80/x
  3. Step 3: Cross multiply
    215,548,892.80x = 323,432,548.80 × 94,381,532.80
  4. Step 4: Simplify right side
    215,548,892.80x = 30,526,059,713,154,800
  5. Step 5: Solve for x
    x = 30,526,059,713,154,800/215,548,892.80
  6. Step 6: Final answer
    x = 141,620,118.37

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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.