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Finding the Fourth Proportional to 196,812.68, 271,593.68 and 116,266.10

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Solution

The fourth proportional to 196,812.68, 271,593.68 and 116,266.10 is: 160,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,812.68 : 271,593.68 = 116,266.10 : x
  2. Step 2: Convert to fraction form
    196,812.68/271,593.68 = 116,266.10/x
  3. Step 3: Cross multiply
    196,812.68x = 271,593.68 × 116,266.10
  4. Step 4: Simplify right side
    196,812.68x = 31,577,136,018.95
  5. Step 5: Solve for x
    x = 31,577,136,018.95/196,812.68
  6. Step 6: Final answer
    x = 160,442.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.