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Finding the Fourth Proportional to 337,123.84, 505,705.20 and 126,763.60

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Solution

The fourth proportional to 337,123.84, 505,705.20 and 126,763.60 is: 190,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,123.84 : 505,705.20 = 126,763.60 : x
  2. Step 2: Convert to fraction form
    337,123.84/505,705.20 = 126,763.60/x
  3. Step 3: Cross multiply
    337,123.84x = 505,705.20 × 126,763.60
  4. Step 4: Simplify right side
    337,123.84x = 64,105,011,690.72
  5. Step 5: Solve for x
    x = 64,105,011,690.72/337,123.84
  6. Step 6: Final answer
    x = 190,152.71

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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.