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Finding the Fourth Proportional to 158,704.70, 238,075.11 and 57,550.41

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Solution

The fourth proportional to 158,704.70, 238,075.11 and 57,550.41 is: 86,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,704.70 : 238,075.11 = 57,550.41 : x
  2. Step 2: Convert to fraction form
    158,704.70/238,075.11 = 57,550.41/x
  3. Step 3: Cross multiply
    158,704.70x = 238,075.11 × 57,550.41
  4. Step 4: Simplify right side
    158,704.70x = 13,701,320,191.30
  5. Step 5: Solve for x
    x = 13,701,320,191.30/158,704.70
  6. Step 6: Final answer
    x = 86,332.17

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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.