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Finding the Fourth Proportional to 228,741.70, 343,112.55 and 62,529.70

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Solution

The fourth proportional to 228,741.70, 343,112.55 and 62,529.70 is: 93,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,741.70 : 343,112.55 = 62,529.70 : x
  2. Step 2: Convert to fraction form
    228,741.70/343,112.55 = 62,529.70/x
  3. Step 3: Cross multiply
    228,741.70x = 343,112.55 × 62,529.70
  4. Step 4: Simplify right side
    228,741.70x = 21,454,724,817.74
  5. Step 5: Solve for x
    x = 21,454,724,817.74/228,741.70
  6. Step 6: Final answer
    x = 93,794.55

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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.