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Finding the Fourth Proportional to 341,939.67, 512,833.91 and 98,727.90

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Solution

The fourth proportional to 341,939.67, 512,833.91 and 98,727.90 is: 148,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,939.67 : 512,833.91 = 98,727.90 : x
  2. Step 2: Convert to fraction form
    341,939.67/512,833.91 = 98,727.90/x
  3. Step 3: Cross multiply
    341,939.67x = 512,833.91 × 98,727.90
  4. Step 4: Simplify right side
    341,939.67x = 50,631,014,983.09
  5. Step 5: Solve for x
    x = 50,631,014,983.09/341,939.67
  6. Step 6: Final answer
    x = 148,070.02

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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.