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Finding the Fourth Proportional to 68,112.42, 93,992.58 and 37,898.88

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Solution

The fourth proportional to 68,112.42, 93,992.58 and 37,898.88 is: 52,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.42 : 93,992.58 = 37,898.88 : x
  2. Step 2: Convert to fraction form
    68,112.42/93,992.58 = 37,898.88/x
  3. Step 3: Cross multiply
    68,112.42x = 93,992.58 × 37,898.88
  4. Step 4: Simplify right side
    68,112.42x = 3,562,213,510.31
  5. Step 5: Solve for x
    x = 3,562,213,510.31/68,112.42
  6. Step 6: Final answer
    x = 52,299.03

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1.5x scale

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.