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Finding the Fourth Proportional to 115,695, 173,476.08 and 45,536.04

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Solution

The fourth proportional to 115,695, 173,476.08 and 45,536.04 is: 68,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,695 : 173,476.08 = 45,536.04 : x
  2. Step 2: Convert to fraction form
    115,695/173,476.08 = 45,536.04/x
  3. Step 3: Cross multiply
    115,695x = 173,476.08 × 45,536.04
  4. Step 4: Simplify right side
    115,695x = 7,899,413,717.92
  5. Step 5: Solve for x
    x = 7,899,413,717.92/115,695
  6. Step 6: Final answer
    x = 68,277.92

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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.