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Finding the Fourth Proportional to 375,096.70, 562,703.37 and 125,720.38

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Solution

The fourth proportional to 375,096.70, 562,703.37 and 125,720.38 is: 188,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,096.70 : 562,703.37 = 125,720.38 : x
  2. Step 2: Convert to fraction form
    375,096.70/562,703.37 = 125,720.38/x
  3. Step 3: Cross multiply
    375,096.70x = 562,703.37 × 125,720.38
  4. Step 4: Simplify right side
    375,096.70x = 70,743,278,061.56
  5. Step 5: Solve for x
    x = 70,743,278,061.56/375,096.70
  6. Step 6: Final answer
    x = 188,600.11

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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.