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Finding the Fourth Proportional to 89,866.98, 134,803.74 and 33,701.40

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Solution

The fourth proportional to 89,866.98, 134,803.74 and 33,701.40 is: 50,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.98 : 134,803.74 = 33,701.40 : x
  2. Step 2: Convert to fraction form
    89,866.98/134,803.74 = 33,701.40/x
  3. Step 3: Cross multiply
    89,866.98x = 134,803.74 × 33,701.40
  4. Step 4: Simplify right side
    89,866.98x = 4,543,074,763.24
  5. Step 5: Solve for x
    x = 4,543,074,763.24/89,866.98
  6. Step 6: Final answer
    x = 50,553.33

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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.