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Finding the Fourth Proportional to 196,642.80, 294,526.80 and 161,650.80

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Solution

The fourth proportional to 196,642.80, 294,526.80 and 161,650.80 is: 242,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,642.80 : 294,526.80 = 161,650.80 : x
  2. Step 2: Convert to fraction form
    196,642.80/294,526.80 = 161,650.80/x
  3. Step 3: Cross multiply
    196,642.80x = 294,526.80 × 161,650.80
  4. Step 4: Simplify right side
    196,642.80x = 47,610,492,841.44
  5. Step 5: Solve for x
    x = 47,610,492,841.44/196,642.80
  6. Step 6: Final answer
    x = 242,116.63

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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.