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Finding the Fourth Proportional to 66,908.60, 100,363.08 and 22,566.50

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Solution

The fourth proportional to 66,908.60, 100,363.08 and 22,566.50 is: 33,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.60 : 100,363.08 = 22,566.50 : x
  2. Step 2: Convert to fraction form
    66,908.60/100,363.08 = 22,566.50/x
  3. Step 3: Cross multiply
    66,908.60x = 100,363.08 × 22,566.50
  4. Step 4: Simplify right side
    66,908.60x = 2,264,842,943.00
  5. Step 5: Solve for x
    x = 2,264,842,943.00/66,908.60
  6. Step 6: Final answer
    x = 33,849.81

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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.