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Finding the Fourth Proportional to 68,273.40, 102,410.10 and 44,653.80

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Solution

The fourth proportional to 68,273.40, 102,410.10 and 44,653.80 is: 66,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,273.40 : 102,410.10 = 44,653.80 : x
  2. Step 2: Convert to fraction form
    68,273.40/102,410.10 = 44,653.80/x
  3. Step 3: Cross multiply
    68,273.40x = 102,410.10 × 44,653.80
  4. Step 4: Simplify right side
    68,273.40x = 4,573,000,123.38
  5. Step 5: Solve for x
    x = 4,573,000,123.38/68,273.40
  6. Step 6: Final answer
    x = 66,980.70

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1.5x scale

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.