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Finding the Fourth Proportional to 109,889.91, 164,846.88 and 34,992.45

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Solution

The fourth proportional to 109,889.91, 164,846.88 and 34,992.45 is: 52,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,889.91 : 164,846.88 = 34,992.45 : x
  2. Step 2: Convert to fraction form
    109,889.91/164,846.88 = 34,992.45/x
  3. Step 3: Cross multiply
    109,889.91x = 164,846.88 × 34,992.45
  4. Step 4: Simplify right side
    109,889.91x = 5,768,396,206.06
  5. Step 5: Solve for x
    x = 5,768,396,206.06/109,889.91
  6. Step 6: Final answer
    x = 52,492.50

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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.