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Finding the Fourth Proportional to 115,578.95, 173,369.09 and 35,615.87

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Solution

The fourth proportional to 115,578.95, 173,369.09 and 35,615.87 is: 53,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,578.95 : 173,369.09 = 35,615.87 : x
  2. Step 2: Convert to fraction form
    115,578.95/173,369.09 = 35,615.87/x
  3. Step 3: Cross multiply
    115,578.95x = 173,369.09 × 35,615.87
  4. Step 4: Simplify right side
    115,578.95x = 6,174,690,971.46
  5. Step 5: Solve for x
    x = 6,174,690,971.46/115,578.95
  6. Step 6: Final answer
    x = 53,424.01

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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.