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Finding the Fourth Proportional to 236,888.94, 355,187.61 and 79,075.02

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Solution

The fourth proportional to 236,888.94, 355,187.61 and 79,075.02 is: 118,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,888.94 : 355,187.61 = 79,075.02 : x
  2. Step 2: Convert to fraction form
    236,888.94/355,187.61 = 79,075.02/x
  3. Step 3: Cross multiply
    236,888.94x = 355,187.61 × 79,075.02
  4. Step 4: Simplify right side
    236,888.94x = 28,086,467,364.50
  5. Step 5: Solve for x
    x = 28,086,467,364.50/236,888.94
  6. Step 6: Final answer
    x = 118,563.86

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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.