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Finding the Fourth Proportional to 335,432.88, 503,165.52 and 98,777.88

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Solution

The fourth proportional to 335,432.88, 503,165.52 and 98,777.88 is: 148,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,432.88 : 503,165.52 = 98,777.88 : x
  2. Step 2: Convert to fraction form
    335,432.88/503,165.52 = 98,777.88/x
  3. Step 3: Cross multiply
    335,432.88x = 503,165.52 × 98,777.88
  4. Step 4: Simplify right side
    335,432.88x = 49,701,623,354.70
  5. Step 5: Solve for x
    x = 49,701,623,354.70/335,432.88
  6. Step 6: Final answer
    x = 148,171.59

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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.