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Finding the Fourth Proportional to 245,129.34, 367,522.48 and 125,223.42

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Solution

The fourth proportional to 245,129.34, 367,522.48 and 125,223.42 is: 187,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,129.34 : 367,522.48 = 125,223.42 : x
  2. Step 2: Convert to fraction form
    245,129.34/367,522.48 = 125,223.42/x
  3. Step 3: Cross multiply
    245,129.34x = 367,522.48 × 125,223.42
  4. Step 4: Simplify right side
    245,129.34x = 46,022,421,872.48
  5. Step 5: Solve for x
    x = 46,022,421,872.48/245,129.34
  6. Step 6: Final answer
    x = 187,747.50

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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.