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Finding the Fourth Proportional to 194,465.70, 291,698.60 and 61,356.37

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Solution

The fourth proportional to 194,465.70, 291,698.60 and 61,356.37 is: 92,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,465.70 : 291,698.60 = 61,356.37 : x
  2. Step 2: Convert to fraction form
    194,465.70/291,698.60 = 61,356.37/x
  3. Step 3: Cross multiply
    194,465.70x = 291,698.60 × 61,356.37
  4. Step 4: Simplify right side
    194,465.70x = 17,897,567,230.08
  5. Step 5: Solve for x
    x = 17,897,567,230.08/194,465.70
  6. Step 6: Final answer
    x = 92,034.57

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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.