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Finding the Fourth Proportional to 196,755.34, 295,195.30 and 70,392.80

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Solution

The fourth proportional to 196,755.34, 295,195.30 and 70,392.80 is: 105,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,755.34 : 295,195.30 = 70,392.80 : x
  2. Step 2: Convert to fraction form
    196,755.34/295,195.30 = 70,392.80/x
  3. Step 3: Cross multiply
    196,755.34x = 295,195.30 × 70,392.80
  4. Step 4: Simplify right side
    196,755.34x = 20,779,623,713.84
  5. Step 5: Solve for x
    x = 20,779,623,713.84/196,755.34
  6. Step 6: Final answer
    x = 105,611.49

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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.