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Finding the Fourth Proportional to 114,794.88, 172,182.60 and 39,895.80

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Solution

The fourth proportional to 114,794.88, 172,182.60 and 39,895.80 is: 59,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,794.88 : 172,182.60 = 39,895.80 : x
  2. Step 2: Convert to fraction form
    114,794.88/172,182.60 = 39,895.80/x
  3. Step 3: Cross multiply
    114,794.88x = 172,182.60 × 39,895.80
  4. Step 4: Simplify right side
    114,794.88x = 6,869,362,573.08
  5. Step 5: Solve for x
    x = 6,869,362,573.08/114,794.88
  6. Step 6: Final answer
    x = 59,840.32

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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.