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Finding the Fourth Proportional to 301,850.44, 452,164.16 and 139,513.88

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Solution

The fourth proportional to 301,850.44, 452,164.16 and 139,513.88 is: 208,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,850.44 : 452,164.16 = 139,513.88 : x
  2. Step 2: Convert to fraction form
    301,850.44/452,164.16 = 139,513.88/x
  3. Step 3: Cross multiply
    301,850.44x = 452,164.16 × 139,513.88
  4. Step 4: Simplify right side
    301,850.44x = 63,083,176,358.54
  5. Step 5: Solve for x
    x = 63,083,176,358.54/301,850.44
  6. Step 6: Final answer
    x = 208,988.19

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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.