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Finding the Fourth Proportional to 238,907.52, 358,583.01 and 120,661.89

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Solution

The fourth proportional to 238,907.52, 358,583.01 and 120,661.89 is: 181,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,907.52 : 358,583.01 = 120,661.89 : x
  2. Step 2: Convert to fraction form
    238,907.52/358,583.01 = 120,661.89/x
  3. Step 3: Cross multiply
    238,907.52x = 358,583.01 × 120,661.89
  4. Step 4: Simplify right side
    238,907.52x = 43,267,303,708.49
  5. Step 5: Solve for x
    x = 43,267,303,708.49/238,907.52
  6. Step 6: Final answer
    x = 181,104.82

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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.