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Finding the Fourth Proportional to 295,114.78, 407,253.58 and 167,787.64

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Solution

The fourth proportional to 295,114.78, 407,253.58 and 167,787.64 is: 231,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,114.78 : 407,253.58 = 167,787.64 : x
  2. Step 2: Convert to fraction form
    295,114.78/407,253.58 = 167,787.64/x
  3. Step 3: Cross multiply
    295,114.78x = 407,253.58 × 167,787.64
  4. Step 4: Simplify right side
    295,114.78x = 68,332,117,069.75
  5. Step 5: Solve for x
    x = 68,332,117,069.75/295,114.78
  6. Step 6: Final answer
    x = 231,544.20

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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.