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Finding the Fourth Proportional to 199,530.79, 299,296.18 and 199,530.79

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Solution

The fourth proportional to 199,530.79, 299,296.18 and 199,530.79 is: 299,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530.79 : 299,296.18 = 199,530.79 : x
  2. Step 2: Convert to fraction form
    199,530.79/299,296.18 = 199,530.79/x
  3. Step 3: Cross multiply
    199,530.79x = 299,296.18 × 199,530.79
  4. Step 4: Simplify right side
    199,530.79x = 59,718,802,740.56
  5. Step 5: Solve for x
    x = 59,718,802,740.56/199,530.79
  6. Step 6: Final answer
    x = 299,296.18

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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.