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Finding the Fourth Proportional to 224,751.87, 310,143.87 and 122,756.67

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Solution

The fourth proportional to 224,751.87, 310,143.87 and 122,756.67 is: 169,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,751.87 : 310,143.87 = 122,756.67 : x
  2. Step 2: Convert to fraction form
    224,751.87/310,143.87 = 122,756.67/x
  3. Step 3: Cross multiply
    224,751.87x = 310,143.87 × 122,756.67
  4. Step 4: Simplify right side
    224,751.87x = 38,072,228,702.11
  5. Step 5: Solve for x
    x = 38,072,228,702.11/224,751.87
  6. Step 6: Final answer
    x = 169,396.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.