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Finding the Fourth Proportional to 135,337.25, 203,075.88 and 98,203.48

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Solution

The fourth proportional to 135,337.25, 203,075.88 and 98,203.48 is: 147,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,337.25 : 203,075.88 = 98,203.48 : x
  2. Step 2: Convert to fraction form
    135,337.25/203,075.88 = 98,203.48/x
  3. Step 3: Cross multiply
    135,337.25x = 203,075.88 × 98,203.48
  4. Step 4: Simplify right side
    135,337.25x = 19,942,757,743.46
  5. Step 5: Solve for x
    x = 19,942,757,743.46/135,337.25
  6. Step 6: Final answer
    x = 147,356.01

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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.