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Finding the Fourth Proportional to 98,287.99, 147,210.41 and 68,837.27

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Solution

The fourth proportional to 98,287.99, 147,210.41 and 68,837.27 is: 103,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,287.99 : 147,210.41 = 68,837.27 : x
  2. Step 2: Convert to fraction form
    98,287.99/147,210.41 = 68,837.27/x
  3. Step 3: Cross multiply
    98,287.99x = 147,210.41 × 68,837.27
  4. Step 4: Simplify right side
    98,287.99x = 10,133,562,176.02
  5. Step 5: Solve for x
    x = 10,133,562,176.02/98,287.99
  6. Step 6: Final answer
    x = 103,100.72

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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.