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Finding the Fourth Proportional to 70,849.60, 106,282.08 and 26,497.60

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Solution

The fourth proportional to 70,849.60, 106,282.08 and 26,497.60 is: 39,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849.60 : 106,282.08 = 26,497.60 : x
  2. Step 2: Convert to fraction form
    70,849.60/106,282.08 = 26,497.60/x
  3. Step 3: Cross multiply
    70,849.60x = 106,282.08 × 26,497.60
  4. Step 4: Simplify right side
    70,849.60x = 2,816,220,043.01
  5. Step 5: Solve for x
    x = 2,816,220,043.01/70,849.60
  6. Step 6: Final answer
    x = 39,749.27

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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.