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Finding the Fourth Proportional to 383,937.95, 575,907.18 and 159,238.06

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Solution

The fourth proportional to 383,937.95, 575,907.18 and 159,238.06 is: 238,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,937.95 : 575,907.18 = 159,238.06 : x
  2. Step 2: Convert to fraction form
    383,937.95/575,907.18 = 159,238.06/x
  3. Step 3: Cross multiply
    383,937.95x = 575,907.18 × 159,238.06
  4. Step 4: Simplify right side
    383,937.95x = 91,706,342,083.27
  5. Step 5: Solve for x
    x = 91,706,342,083.27/383,937.95
  6. Step 6: Final answer
    x = 238,857.20

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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.