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Finding the Fourth Proportional to 199,624.39, 299,187.38 and 99,813.12

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Solution

The fourth proportional to 199,624.39, 299,187.38 and 99,813.12 is: 149,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,624.39 : 299,187.38 = 99,813.12 : x
  2. Step 2: Convert to fraction form
    199,624.39/299,187.38 = 99,813.12/x
  3. Step 3: Cross multiply
    199,624.39x = 299,187.38 × 99,813.12
  4. Step 4: Simplify right side
    199,624.39x = 29,862,827,233.91
  5. Step 5: Solve for x
    x = 29,862,827,233.91/199,624.39
  6. Step 6: Final answer
    x = 149,595.09

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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.