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Finding the Fourth Proportional to 313,762.01, 470,836.17 and 124,190.10

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Solution

The fourth proportional to 313,762.01, 470,836.17 and 124,190.10 is: 186,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,762.01 : 470,836.17 = 124,190.10 : x
  2. Step 2: Convert to fraction form
    313,762.01/470,836.17 = 124,190.10/x
  3. Step 3: Cross multiply
    313,762.01x = 470,836.17 × 124,190.10
  4. Step 4: Simplify right side
    313,762.01x = 58,473,191,035.92
  5. Step 5: Solve for x
    x = 58,473,191,035.92/313,762.01
  6. Step 6: Final answer
    x = 186,361.61

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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.