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Finding the Fourth Proportional to 94,197.94, 129,992.76 and 53,911.50

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Solution

The fourth proportional to 94,197.94, 129,992.76 and 53,911.50 is: 74,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,197.94 : 129,992.76 = 53,911.50 : x
  2. Step 2: Convert to fraction form
    94,197.94/129,992.76 = 53,911.50/x
  3. Step 3: Cross multiply
    94,197.94x = 129,992.76 × 53,911.50
  4. Step 4: Simplify right side
    94,197.94x = 7,008,104,680.74
  5. Step 5: Solve for x
    x = 7,008,104,680.74/94,197.94
  6. Step 6: Final answer
    x = 74,397.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.