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Finding the Fourth Proportional to 93,881.12, 129,554.88 and 50,859.80

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Solution

The fourth proportional to 93,881.12, 129,554.88 and 50,859.80 is: 70,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.12 : 129,554.88 = 50,859.80 : x
  2. Step 2: Convert to fraction form
    93,881.12/129,554.88 = 50,859.80/x
  3. Step 3: Cross multiply
    93,881.12x = 129,554.88 × 50,859.80
  4. Step 4: Simplify right side
    93,881.12x = 6,589,135,285.82
  5. Step 5: Solve for x
    x = 6,589,135,285.82/93,881.12
  6. Step 6: Final answer
    x = 70,185.95

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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.