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Finding the Fourth Proportional to 98,513.84, 147,843.68 and 73,271.00

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Solution

The fourth proportional to 98,513.84, 147,843.68 and 73,271.00 is: 109,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,513.84 : 147,843.68 = 73,271.00 : x
  2. Step 2: Convert to fraction form
    98,513.84/147,843.68 = 73,271.00/x
  3. Step 3: Cross multiply
    98,513.84x = 147,843.68 × 73,271.00
  4. Step 4: Simplify right side
    98,513.84x = 10,832,653,171.71
  5. Step 5: Solve for x
    x = 10,832,653,171.71/98,513.84
  6. Step 6: Final answer
    x = 109,960.73

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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.