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Finding the Fourth Proportional to 336,792.40, 504,751.16 and 136,880.14

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Solution

The fourth proportional to 336,792.40, 504,751.16 and 136,880.14 is: 205,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,792.40 : 504,751.16 = 136,880.14 : x
  2. Step 2: Convert to fraction form
    336,792.40/504,751.16 = 136,880.14/x
  3. Step 3: Cross multiply
    336,792.40x = 504,751.16 × 136,880.14
  4. Step 4: Simplify right side
    336,792.40x = 69,090,409,445.96
  5. Step 5: Solve for x
    x = 69,090,409,445.96/336,792.40
  6. Step 6: Final answer
    x = 205,142.42

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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.