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Finding the Fourth Proportional to 447,133.52, 670,699.56 and 114,709.52

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Solution

The fourth proportional to 447,133.52, 670,699.56 and 114,709.52 is: 172,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,133.52 : 670,699.56 = 114,709.52 : x
  2. Step 2: Convert to fraction form
    447,133.52/670,699.56 = 114,709.52/x
  3. Step 3: Cross multiply
    447,133.52x = 670,699.56 × 114,709.52
  4. Step 4: Simplify right side
    447,133.52x = 76,935,624,591.81
  5. Step 5: Solve for x
    x = 76,935,624,591.81/447,133.52
  6. Step 6: Final answer
    x = 172,064.10

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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.