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Finding the Fourth Proportional to 194,745.60, 292,233.60 and 70,070.40

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Solution

The fourth proportional to 194,745.60, 292,233.60 and 70,070.40 is: 105,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,745.60 : 292,233.60 = 70,070.40 : x
  2. Step 2: Convert to fraction form
    194,745.60/292,233.60 = 70,070.40/x
  3. Step 3: Cross multiply
    194,745.60x = 292,233.60 × 70,070.40
  4. Step 4: Simplify right side
    194,745.60x = 20,476,925,245.44
  5. Step 5: Solve for x
    x = 20,476,925,245.44/194,745.60
  6. Step 6: Final answer
    x = 105,147.05

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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.