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Finding the Fourth Proportional to 199,443.04, 299,367.42 and 99,674.80

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Solution

The fourth proportional to 199,443.04, 299,367.42 and 99,674.80 is: 149,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,443.04 : 299,367.42 = 99,674.80 : x
  2. Step 2: Convert to fraction form
    199,443.04/299,367.42 = 99,674.80/x
  3. Step 3: Cross multiply
    199,443.04x = 299,367.42 × 99,674.80
  4. Step 4: Simplify right side
    199,443.04x = 29,839,387,715.02
  5. Step 5: Solve for x
    x = 29,839,387,715.02/199,443.04
  6. Step 6: Final answer
    x = 149,613.58

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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.