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Finding the Fourth Proportional to 164,486.94, 246,623.49 and 64,656.90

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Solution

The fourth proportional to 164,486.94, 246,623.49 and 64,656.90 is: 96,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,486.94 : 246,623.49 = 64,656.90 : x
  2. Step 2: Convert to fraction form
    164,486.94/246,623.49 = 64,656.90/x
  3. Step 3: Cross multiply
    164,486.94x = 246,623.49 × 64,656.90
  4. Step 4: Simplify right side
    164,486.94x = 15,945,910,330.58
  5. Step 5: Solve for x
    x = 15,945,910,330.58/164,486.94
  6. Step 6: Final answer
    x = 96,943.32

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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.