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Finding the Fourth Proportional to 109,600.65, 164,400.98 and 109,600.65

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Solution

The fourth proportional to 109,600.65, 164,400.98 and 109,600.65 is: 164,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,600.65 : 164,400.98 = 109,600.65 : x
  2. Step 2: Convert to fraction form
    109,600.65/164,400.98 = 109,600.65/x
  3. Step 3: Cross multiply
    109,600.65x = 164,400.98 × 109,600.65
  4. Step 4: Simplify right side
    109,600.65x = 18,018,453,720.63
  5. Step 5: Solve for x
    x = 18,018,453,720.63/109,600.65
  6. Step 6: Final answer
    x = 164,400.98

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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.