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Finding the Fourth Proportional to 68,748.58, 94,695.58 and 48,570.43

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Solution

The fourth proportional to 68,748.58, 94,695.58 and 48,570.43 is: 66,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,748.58 : 94,695.58 = 48,570.43 : x
  2. Step 2: Convert to fraction form
    68,748.58/94,695.58 = 48,570.43/x
  3. Step 3: Cross multiply
    68,748.58x = 94,695.58 × 48,570.43
  4. Step 4: Simplify right side
    68,748.58x = 4,599,405,039.70
  5. Step 5: Solve for x
    x = 4,599,405,039.70/68,748.58
  6. Step 6: Final answer
    x = 66,901.82

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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.