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Finding the Fourth Proportional to 65,069.40, 97,388.10 and 47,249.40

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Solution

The fourth proportional to 65,069.40, 97,388.10 and 47,249.40 is: 70,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,069.40 : 97,388.10 = 47,249.40 : x
  2. Step 2: Convert to fraction form
    65,069.40/97,388.10 = 47,249.40/x
  3. Step 3: Cross multiply
    65,069.40x = 97,388.10 × 47,249.40
  4. Step 4: Simplify right side
    65,069.40x = 4,601,529,292.14
  5. Step 5: Solve for x
    x = 4,601,529,292.14/65,069.40
  6. Step 6: Final answer
    x = 70,717.25

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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.