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Finding the Fourth Proportional to 224,172.63, 336,258.32 and 74,424.29

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Solution

The fourth proportional to 224,172.63, 336,258.32 and 74,424.29 is: 111,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,172.63 : 336,258.32 = 74,424.29 : x
  2. Step 2: Convert to fraction form
    224,172.63/336,258.32 = 74,424.29/x
  3. Step 3: Cross multiply
    224,172.63x = 336,258.32 × 74,424.29
  4. Step 4: Simplify right side
    224,172.63x = 25,025,784,669.18
  5. Step 5: Solve for x
    x = 25,025,784,669.18/224,172.63
  6. Step 6: Final answer
    x = 111,636.22

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1.5x scale

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.