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Finding the Fourth Proportional to 196,301.84, 270,904.68 and 111,426.80

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Solution

The fourth proportional to 196,301.84, 270,904.68 and 111,426.80 is: 153,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,301.84 : 270,904.68 = 111,426.80 : x
  2. Step 2: Convert to fraction form
    196,301.84/270,904.68 = 111,426.80/x
  3. Step 3: Cross multiply
    196,301.84x = 270,904.68 × 111,426.80
  4. Step 4: Simplify right side
    196,301.84x = 30,186,041,597.42
  5. Step 5: Solve for x
    x = 30,186,041,597.42/196,301.84
  6. Step 6: Final answer
    x = 153,773.60

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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.