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Finding the Fourth Proportional to 94,603.75, 141,943.49 and 38,448.17

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Solution

The fourth proportional to 94,603.75, 141,943.49 and 38,448.17 is: 57,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,603.75 : 141,943.49 = 38,448.17 : x
  2. Step 2: Convert to fraction form
    94,603.75/141,943.49 = 38,448.17/x
  3. Step 3: Cross multiply
    94,603.75x = 141,943.49 × 38,448.17
  4. Step 4: Simplify right side
    94,603.75x = 5,457,467,208.42
  5. Step 5: Solve for x
    x = 5,457,467,208.42/94,603.75
  6. Step 6: Final answer
    x = 57,687.64

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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.