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Finding the Fourth Proportional to 136,449.93, 204,804.90 and 98,537.07

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Solution

The fourth proportional to 136,449.93, 204,804.90 and 98,537.07 is: 147,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,449.93 : 204,804.90 = 98,537.07 : x
  2. Step 2: Convert to fraction form
    136,449.93/204,804.90 = 98,537.07/x
  3. Step 3: Cross multiply
    136,449.93x = 204,804.90 × 98,537.07
  4. Step 4: Simplify right side
    136,449.93x = 20,180,874,767.64
  5. Step 5: Solve for x
    x = 20,180,874,767.64/136,449.93
  6. Step 6: Final answer
    x = 147,899.49

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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.