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Finding the Fourth Proportional to 65,104.59, 97,656.89 and 20,744.94

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Solution

The fourth proportional to 65,104.59, 97,656.89 and 20,744.94 is: 31,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.59 : 97,656.89 = 20,744.94 : x
  2. Step 2: Convert to fraction form
    65,104.59/97,656.89 = 20,744.94/x
  3. Step 3: Cross multiply
    65,104.59x = 97,656.89 × 20,744.94
  4. Step 4: Simplify right side
    65,104.59x = 2,025,886,219.91
  5. Step 5: Solve for x
    x = 2,025,886,219.91/65,104.59
  6. Step 6: Final answer
    x = 31,117.41

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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.