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Finding the Fourth Proportional to 199,837.92, 299,803.98 and 64,901.53

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Solution

The fourth proportional to 199,837.92, 299,803.98 and 64,901.53 is: 97,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,837.92 : 299,803.98 = 64,901.53 : x
  2. Step 2: Convert to fraction form
    199,837.92/299,803.98 = 64,901.53/x
  3. Step 3: Cross multiply
    199,837.92x = 299,803.98 × 64,901.53
  4. Step 4: Simplify right side
    199,837.92x = 19,457,737,002.09
  5. Step 5: Solve for x
    x = 19,457,737,002.09/199,837.92
  6. Step 6: Final answer
    x = 97,367.59

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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.