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Finding the Fourth Proportional to 94,695.97, 141,860.78 and 79,315.93

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Solution

The fourth proportional to 94,695.97, 141,860.78 and 79,315.93 is: 118,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,695.97 : 141,860.78 = 79,315.93 : x
  2. Step 2: Convert to fraction form
    94,695.97/141,860.78 = 79,315.93/x
  3. Step 3: Cross multiply
    94,695.97x = 141,860.78 × 79,315.93
  4. Step 4: Simplify right side
    94,695.97x = 11,251,819,696.23
  5. Step 5: Solve for x
    x = 11,251,819,696.23/94,695.97
  6. Step 6: Final answer
    x = 118,820.48

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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.