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Finding the Fourth Proportional to 447,131.52, 670,696.56 and 114,707.52

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Solution

The fourth proportional to 447,131.52, 670,696.56 and 114,707.52 is: 172,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,131.52 : 670,696.56 = 114,707.52 : x
  2. Step 2: Convert to fraction form
    447,131.52/670,696.56 = 114,707.52/x
  3. Step 3: Cross multiply
    447,131.52x = 670,696.56 × 114,707.52
  4. Step 4: Simplify right side
    447,131.52x = 76,933,939,070.13
  5. Step 5: Solve for x
    x = 76,933,939,070.13/447,131.52
  6. Step 6: Final answer
    x = 172,061.10

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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.