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Finding the Fourth Proportional to 98,301.25, 135,655.73 and 53,589.25

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Solution

The fourth proportional to 98,301.25, 135,655.73 and 53,589.25 is: 73,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,301.25 : 135,655.73 = 53,589.25 : x
  2. Step 2: Convert to fraction form
    98,301.25/135,655.73 = 53,589.25/x
  3. Step 3: Cross multiply
    98,301.25x = 135,655.73 × 53,589.25
  4. Step 4: Simplify right side
    98,301.25x = 7,269,688,828.90
  5. Step 5: Solve for x
    x = 7,269,688,828.90/98,301.25
  6. Step 6: Final answer
    x = 73,953.17

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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.