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Finding the Fourth Proportional to 194,961.94, 292,442.91 and 70,302.94

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Solution

The fourth proportional to 194,961.94, 292,442.91 and 70,302.94 is: 105,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,961.94 : 292,442.91 = 70,302.94 : x
  2. Step 2: Convert to fraction form
    194,961.94/292,442.91 = 70,302.94/x
  3. Step 3: Cross multiply
    194,961.94x = 292,442.91 × 70,302.94
  4. Step 4: Simplify right side
    194,961.94x = 20,559,595,360.41
  5. Step 5: Solve for x
    x = 20,559,595,360.41/194,961.94
  6. Step 6: Final answer
    x = 105,454.41

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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.