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Finding the Fourth Proportional to 135,775.80, 203,673.69 and 35,935.32

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Solution

The fourth proportional to 135,775.80, 203,673.69 and 35,935.32 is: 53,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,775.80 : 203,673.69 = 35,935.32 : x
  2. Step 2: Convert to fraction form
    135,775.80/203,673.69 = 35,935.32/x
  3. Step 3: Cross multiply
    135,775.80x = 203,673.69 × 35,935.32
  4. Step 4: Simplify right side
    135,775.80x = 7,319,078,117.52
  5. Step 5: Solve for x
    x = 7,319,078,117.52/135,775.80
  6. Step 6: Final answer
    x = 53,905.62

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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.