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Finding the Fourth Proportional to 193,602.78, 290,393.73 and 60,467.76

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Solution

The fourth proportional to 193,602.78, 290,393.73 and 60,467.76 is: 90,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,602.78 : 290,393.73 = 60,467.76 : x
  2. Step 2: Convert to fraction form
    193,602.78/290,393.73 = 60,467.76/x
  3. Step 3: Cross multiply
    193,602.78x = 290,393.73 × 60,467.76
  4. Step 4: Simplify right side
    193,602.78x = 17,559,458,371.14
  5. Step 5: Solve for x
    x = 17,559,458,371.14/193,602.78
  6. Step 6: Final answer
    x = 90,698.38

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1.5x scale

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.