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Finding the Fourth Proportional to 301,837.21, 452,674.81 and 143,751.13

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Solution

The fourth proportional to 301,837.21, 452,674.81 and 143,751.13 is: 215,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,837.21 : 452,674.81 = 143,751.13 : x
  2. Step 2: Convert to fraction form
    301,837.21/452,674.81 = 143,751.13/x
  3. Step 3: Cross multiply
    301,837.21x = 452,674.81 × 143,751.13
  4. Step 4: Simplify right side
    301,837.21x = 65,072,515,460.04
  5. Step 5: Solve for x
    x = 65,072,515,460.04/301,837.21
  6. Step 6: Final answer
    x = 215,588.12

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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.