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Finding the Fourth Proportional to 98,057.51, 147,086.36 and 68,533.01

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Solution

The fourth proportional to 98,057.51, 147,086.36 and 68,533.01 is: 102,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,057.51 : 147,086.36 = 68,533.01 : x
  2. Step 2: Convert to fraction form
    98,057.51/147,086.36 = 68,533.01/x
  3. Step 3: Cross multiply
    98,057.51x = 147,086.36 × 68,533.01
  4. Step 4: Simplify right side
    98,057.51x = 10,080,270,638.08
  5. Step 5: Solve for x
    x = 10,080,270,638.08/98,057.51
  6. Step 6: Final answer
    x = 102,799.58

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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.