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Finding the Fourth Proportional to 194,765.70, 292,192.32 and 61,653.94

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Solution

The fourth proportional to 194,765.70, 292,192.32 and 61,653.94 is: 92,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,765.70 : 292,192.32 = 61,653.94 : x
  2. Step 2: Convert to fraction form
    194,765.70/292,192.32 = 61,653.94/x
  3. Step 3: Cross multiply
    194,765.70x = 292,192.32 × 61,653.94
  4. Step 4: Simplify right side
    194,765.70x = 18,014,807,765.74
  5. Step 5: Solve for x
    x = 18,014,807,765.74/194,765.70
  6. Step 6: Final answer
    x = 92,494.77

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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.