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Finding the Fourth Proportional to 224,319.84, 336,543.32 and 91,295.57

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Solution

The fourth proportional to 224,319.84, 336,543.32 and 91,295.57 is: 136,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,319.84 : 336,543.32 = 91,295.57 : x
  2. Step 2: Convert to fraction form
    224,319.84/336,543.32 = 91,295.57/x
  3. Step 3: Cross multiply
    224,319.84x = 336,543.32 × 91,295.57
  4. Step 4: Simplify right side
    224,319.84x = 30,724,912,089.90
  5. Step 5: Solve for x
    x = 30,724,912,089.90/224,319.84
  6. Step 6: Final answer
    x = 136,969.21

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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.