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Finding the Fourth Proportional to 335,397.50, 503,099.90 and 98,744.66

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Solution

The fourth proportional to 335,397.50, 503,099.90 and 98,744.66 is: 148,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,397.50 : 503,099.90 = 98,744.66 : x
  2. Step 2: Convert to fraction form
    335,397.50/503,099.90 = 98,744.66/x
  3. Step 3: Cross multiply
    335,397.50x = 503,099.90 × 98,744.66
  4. Step 4: Simplify right side
    335,397.50x = 49,678,430,076.15
  5. Step 5: Solve for x
    x = 49,678,430,076.15/335,397.50
  6. Step 6: Final answer
    x = 148,118.07

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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.