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Finding the Fourth Proportional to 61,544.40, 92,316.60 and 43,976.40

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Solution

The fourth proportional to 61,544.40, 92,316.60 and 43,976.40 is: 65,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,544.40 : 92,316.60 = 43,976.40 : x
  2. Step 2: Convert to fraction form
    61,544.40/92,316.60 = 43,976.40/x
  3. Step 3: Cross multiply
    61,544.40x = 92,316.60 × 43,976.40
  4. Step 4: Simplify right side
    61,544.40x = 4,059,751,728.24
  5. Step 5: Solve for x
    x = 4,059,751,728.24/61,544.40
  6. Step 6: Final answer
    x = 65,964.60

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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.