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Finding the Fourth Proportional to 439,349.48, 659,024.21 and 158,801.12

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Solution

The fourth proportional to 439,349.48, 659,024.21 and 158,801.12 is: 238,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,349.48 : 659,024.21 = 158,801.12 : x
  2. Step 2: Convert to fraction form
    439,349.48/659,024.21 = 158,801.12/x
  3. Step 3: Cross multiply
    439,349.48x = 659,024.21 × 158,801.12
  4. Step 4: Simplify right side
    439,349.48x = 104,653,779,757.00
  5. Step 5: Solve for x
    x = 104,653,779,757.00/439,349.48
  6. Step 6: Final answer
    x = 238,201.67

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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.