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Finding the Fourth Proportional to 141,657.60, 212,486.40 and 48,163.35

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Solution

The fourth proportional to 141,657.60, 212,486.40 and 48,163.35 is: 72,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,657.60 : 212,486.40 = 48,163.35 : x
  2. Step 2: Convert to fraction form
    141,657.60/212,486.40 = 48,163.35/x
  3. Step 3: Cross multiply
    141,657.60x = 212,486.40 × 48,163.35
  4. Step 4: Simplify right side
    141,657.60x = 10,234,056,853.44
  5. Step 5: Solve for x
    x = 10,234,056,853.44/141,657.60
  6. Step 6: Final answer
    x = 72,245.03

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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.