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Finding the Fourth Proportional to 441,196.07, 661,684.75 and 125,655.71

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Solution

The fourth proportional to 441,196.07, 661,684.75 and 125,655.71 is: 188,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,196.07 : 661,684.75 = 125,655.71 : x
  2. Step 2: Convert to fraction form
    441,196.07/661,684.75 = 125,655.71/x
  3. Step 3: Cross multiply
    441,196.07x = 661,684.75 × 125,655.71
  4. Step 4: Simplify right side
    441,196.07x = 83,144,463,434.86
  5. Step 5: Solve for x
    x = 83,144,463,434.86/441,196.07
  6. Step 6: Final answer
    x = 188,452.41

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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.