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Finding the Fourth Proportional to 196,307.80, 294,768.90 and 113,363.80

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Solution

The fourth proportional to 196,307.80, 294,768.90 and 113,363.80 is: 170,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,307.80 : 294,768.90 = 113,363.80 : x
  2. Step 2: Convert to fraction form
    196,307.80/294,768.90 = 113,363.80/x
  3. Step 3: Cross multiply
    196,307.80x = 294,768.90 × 113,363.80
  4. Step 4: Simplify right side
    196,307.80x = 33,416,122,625.82
  5. Step 5: Solve for x
    x = 33,416,122,625.82/196,307.80
  6. Step 6: Final answer
    x = 170,223.10

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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.