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Finding the Fourth Proportional to 98,292.26, 135,643.32 and 53,580.26

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Solution

The fourth proportional to 98,292.26, 135,643.32 and 53,580.26 is: 73,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,292.26 : 135,643.32 = 53,580.26 : x
  2. Step 2: Convert to fraction form
    98,292.26/135,643.32 = 53,580.26/x
  3. Step 3: Cross multiply
    98,292.26x = 135,643.32 × 53,580.26
  4. Step 4: Simplify right side
    98,292.26x = 7,267,804,352.86
  5. Step 5: Solve for x
    x = 7,267,804,352.86/98,292.26
  6. Step 6: Final answer
    x = 73,940.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.