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Finding the Fourth Proportional to 196,486.84, 271,158.08 and 111,598.84

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Solution

The fourth proportional to 196,486.84, 271,158.08 and 111,598.84 is: 154,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,486.84 : 271,158.08 = 111,598.84 : x
  2. Step 2: Convert to fraction form
    196,486.84/271,158.08 = 111,598.84/x
  3. Step 3: Cross multiply
    196,486.84x = 271,158.08 × 111,598.84
  4. Step 4: Simplify right side
    196,486.84x = 30,260,927,184.63
  5. Step 5: Solve for x
    x = 30,260,927,184.63/196,486.84
  6. Step 6: Final answer
    x = 154,009.94

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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.