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Finding the Fourth Proportional to 199,353.29, 299,035.43 and 64,423.13

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Solution

The fourth proportional to 199,353.29, 299,035.43 and 64,423.13 is: 96,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,353.29 : 299,035.43 = 64,423.13 : x
  2. Step 2: Convert to fraction form
    199,353.29/299,035.43 = 64,423.13/x
  3. Step 3: Cross multiply
    199,353.29x = 299,035.43 × 64,423.13
  4. Step 4: Simplify right side
    199,353.29x = 19,264,796,564.20
  5. Step 5: Solve for x
    x = 19,264,796,564.20/199,353.29
  6. Step 6: Final answer
    x = 96,636.46

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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.