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Finding the Fourth Proportional to 236,367.54, 354,554.40 and 78,596.01

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Solution

The fourth proportional to 236,367.54, 354,554.40 and 78,596.01 is: 117,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,367.54 : 354,554.40 = 78,596.01 : x
  2. Step 2: Convert to fraction form
    236,367.54/354,554.40 = 78,596.01/x
  3. Step 3: Cross multiply
    236,367.54x = 354,554.40 × 78,596.01
  4. Step 4: Simplify right side
    236,367.54x = 27,866,561,167.94
  5. Step 5: Solve for x
    x = 27,866,561,167.94/236,367.54
  6. Step 6: Final answer
    x = 117,895.04

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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.