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Finding the Fourth Proportional to 98,322.69, 135,653.49 and 58,050.03

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Solution

The fourth proportional to 98,322.69, 135,653.49 and 58,050.03 is: 80,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,322.69 : 135,653.49 = 58,050.03 : x
  2. Step 2: Convert to fraction form
    98,322.69/135,653.49 = 58,050.03/x
  3. Step 3: Cross multiply
    98,322.69x = 135,653.49 × 58,050.03
  4. Step 4: Simplify right side
    98,322.69x = 7,874,689,164.10
  5. Step 5: Solve for x
    x = 7,874,689,164.10/98,322.69
  6. Step 6: Final answer
    x = 80,090.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.