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Finding the Fourth Proportional to 196,424.79, 271,066.26 and 107,000.79

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Solution

The fourth proportional to 196,424.79, 271,066.26 and 107,000.79 is: 147,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,424.79 : 271,066.26 = 107,000.79 : x
  2. Step 2: Convert to fraction form
    196,424.79/271,066.26 = 107,000.79/x
  3. Step 3: Cross multiply
    196,424.79x = 271,066.26 × 107,000.79
  4. Step 4: Simplify right side
    196,424.79x = 29,004,303,962.35
  5. Step 5: Solve for x
    x = 29,004,303,962.35/196,424.79
  6. Step 6: Final answer
    x = 147,661.12

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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.