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Finding the Fourth Proportional to 89,998.33, 134,995.66 and 23,436.98

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Solution

The fourth proportional to 89,998.33, 134,995.66 and 23,436.98 is: 35,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,998.33 : 134,995.66 = 23,436.98 : x
  2. Step 2: Convert to fraction form
    89,998.33/134,995.66 = 23,436.98/x
  3. Step 3: Cross multiply
    89,998.33x = 134,995.66 × 23,436.98
  4. Step 4: Simplify right side
    89,998.33x = 3,163,890,583.51
  5. Step 5: Solve for x
    x = 3,163,890,583.51/89,998.33
  6. Step 6: Final answer
    x = 35,154.99

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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.