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Finding the Fourth Proportional to 193,603.78, 290,395.23 and 60,468.76

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Solution

The fourth proportional to 193,603.78, 290,395.23 and 60,468.76 is: 90,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,603.78 : 290,395.23 = 60,468.76 : x
  2. Step 2: Convert to fraction form
    193,603.78/290,395.23 = 60,468.76/x
  3. Step 3: Cross multiply
    193,603.78x = 290,395.23 × 60,468.76
  4. Step 4: Simplify right side
    193,603.78x = 17,559,839,468.01
  5. Step 5: Solve for x
    x = 17,559,839,468.01/193,603.78
  6. Step 6: Final answer
    x = 90,699.88

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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.