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Finding the Fourth Proportional to 79,803.40, 110,123.94 and 43,994.92

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Solution

The fourth proportional to 79,803.40, 110,123.94 and 43,994.92 is: 60,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.40 : 110,123.94 = 43,994.92 : x
  2. Step 2: Convert to fraction form
    79,803.40/110,123.94 = 43,994.92/x
  3. Step 3: Cross multiply
    79,803.40x = 110,123.94 × 43,994.92
  4. Step 4: Simplify right side
    79,803.40x = 4,844,893,930.38
  5. Step 5: Solve for x
    x = 4,844,893,930.38/79,803.40
  6. Step 6: Final answer
    x = 60,710.37

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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.