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Finding the Fourth Proportional to 65,560.34, 98,379.44 and 61,409.14

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Solution

The fourth proportional to 65,560.34, 98,379.44 and 61,409.14 is: 92,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,560.34 : 98,379.44 = 61,409.14 : x
  2. Step 2: Convert to fraction form
    65,560.34/98,379.44 = 61,409.14/x
  3. Step 3: Cross multiply
    65,560.34x = 98,379.44 × 61,409.14
  4. Step 4: Simplify right side
    65,560.34x = 6,041,396,804.08
  5. Step 5: Solve for x
    x = 6,041,396,804.08/65,560.34
  6. Step 6: Final answer
    x = 92,150.18

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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.