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Finding the Fourth Proportional to 115,887.34, 173,858.14 and 35,921.14

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Solution

The fourth proportional to 115,887.34, 173,858.14 and 35,921.14 is: 53,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,887.34 : 173,858.14 = 35,921.14 : x
  2. Step 2: Convert to fraction form
    115,887.34/173,858.14 = 35,921.14/x
  3. Step 3: Cross multiply
    115,887.34x = 173,858.14 × 35,921.14
  4. Step 4: Simplify right side
    115,887.34x = 6,245,182,587.08
  5. Step 5: Solve for x
    x = 6,245,182,587.08/115,887.34
  6. Step 6: Final answer
    x = 53,890.12

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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.