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Finding the Fourth Proportional to 98,041.94, 135,296.61 and 53,329.94

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Solution

The fourth proportional to 98,041.94, 135,296.61 and 53,329.94 is: 73,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,041.94 : 135,296.61 = 53,329.94 : x
  2. Step 2: Convert to fraction form
    98,041.94/135,296.61 = 53,329.94/x
  3. Step 3: Cross multiply
    98,041.94x = 135,296.61 × 53,329.94
  4. Step 4: Simplify right side
    98,041.94x = 7,215,360,093.50
  5. Step 5: Solve for x
    x = 7,215,360,093.50/98,041.94
  6. Step 6: Final answer
    x = 73,594.63

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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.