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Finding the Fourth Proportional to 114,925.36, 172,354.36 and 44,787.92

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Solution

The fourth proportional to 114,925.36, 172,354.36 and 44,787.92 is: 67,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925.36 : 172,354.36 = 44,787.92 : x
  2. Step 2: Convert to fraction form
    114,925.36/172,354.36 = 44,787.92/x
  3. Step 3: Cross multiply
    114,925.36x = 172,354.36 × 44,787.92
  4. Step 4: Simplify right side
    114,925.36x = 7,719,393,287.33
  5. Step 5: Solve for x
    x = 7,719,393,287.33/114,925.36
  6. Step 6: Final answer
    x = 67,168.75

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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.