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Finding the Fourth Proportional to 301,239.66, 451,544.20 and 101,491.04

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Solution

The fourth proportional to 301,239.66, 451,544.20 and 101,491.04 is: 152,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,239.66 : 451,544.20 = 101,491.04 : x
  2. Step 2: Convert to fraction form
    301,239.66/451,544.20 = 101,491.04/x
  3. Step 3: Cross multiply
    301,239.66x = 451,544.20 × 101,491.04
  4. Step 4: Simplify right side
    301,239.66x = 45,827,690,463.97
  5. Step 5: Solve for x
    x = 45,827,690,463.97/301,239.66
  6. Step 6: Final answer
    x = 152,130.34

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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.