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Finding the Fourth Proportional to 224,303.36, 309,537.72 and 122,328.56

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Solution

The fourth proportional to 224,303.36, 309,537.72 and 122,328.56 is: 168,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,303.36 : 309,537.72 = 122,328.56 : x
  2. Step 2: Convert to fraction form
    224,303.36/309,537.72 = 122,328.56/x
  3. Step 3: Cross multiply
    224,303.36x = 309,537.72 × 122,328.56
  4. Step 4: Simplify right side
    224,303.36x = 37,865,303,553.28
  5. Step 5: Solve for x
    x = 37,865,303,553.28/224,303.36
  6. Step 6: Final answer
    x = 168,812.91

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1.5x scale

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.