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Finding the Fourth Proportional to 231,657.70, 347,486.55 and 73,902.10

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Solution

The fourth proportional to 231,657.70, 347,486.55 and 73,902.10 is: 110,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,657.70 : 347,486.55 = 73,902.10 : x
  2. Step 2: Convert to fraction form
    231,657.70/347,486.55 = 73,902.10/x
  3. Step 3: Cross multiply
    231,657.70x = 347,486.55 × 73,902.10
  4. Step 4: Simplify right side
    231,657.70x = 25,679,985,766.76
  5. Step 5: Solve for x
    x = 25,679,985,766.76/231,657.70
  6. Step 6: Final answer
    x = 110,853.15

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1.5x scale

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.