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Finding the Fourth Proportional to 98,268.98, 147,298.32 and 50,836.32

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Solution

The fourth proportional to 98,268.98, 147,298.32 and 50,836.32 is: 76,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.98 : 147,298.32 = 50,836.32 : x
  2. Step 2: Convert to fraction form
    98,268.98/147,298.32 = 50,836.32/x
  3. Step 3: Cross multiply
    98,268.98x = 147,298.32 × 50,836.32
  4. Step 4: Simplify right side
    98,268.98x = 7,488,104,530.98
  5. Step 5: Solve for x
    x = 7,488,104,530.98/98,268.98
  6. Step 6: Final answer
    x = 76,200.08

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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.