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Finding the Fourth Proportional to 183,766.64, 253,625.72 and 112,188.40

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Solution

The fourth proportional to 183,766.64, 253,625.72 and 112,188.40 is: 154,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,766.64 : 253,625.72 = 112,188.40 : x
  2. Step 2: Convert to fraction form
    183,766.64/253,625.72 = 112,188.40/x
  3. Step 3: Cross multiply
    183,766.64x = 253,625.72 × 112,188.40
  4. Step 4: Simplify right side
    183,766.64x = 28,453,863,725.65
  5. Step 5: Solve for x
    x = 28,453,863,725.65/183,766.64
  6. Step 6: Final answer
    x = 154,836.94

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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.