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Finding the Fourth Proportional to 236,685.72, 355,028.58 and 59,192.72

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Solution

The fourth proportional to 236,685.72, 355,028.58 and 59,192.72 is: 88,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,685.72 : 355,028.58 = 59,192.72 : x
  2. Step 2: Convert to fraction form
    236,685.72/355,028.58 = 59,192.72/x
  3. Step 3: Cross multiply
    236,685.72x = 355,028.58 × 59,192.72
  4. Step 4: Simplify right side
    236,685.72x = 21,015,107,327.94
  5. Step 5: Solve for x
    x = 21,015,107,327.94/236,685.72
  6. Step 6: Final answer
    x = 88,789.08

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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.