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Finding the Fourth Proportional to 231,290.37, 346,986.54 and 98,284.32

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Solution

The fourth proportional to 231,290.37, 346,986.54 and 98,284.32 is: 147,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,290.37 : 346,986.54 = 98,284.32 : x
  2. Step 2: Convert to fraction form
    231,290.37/346,986.54 = 98,284.32/x
  3. Step 3: Cross multiply
    231,290.37x = 346,986.54 × 98,284.32
  4. Step 4: Simplify right side
    231,290.37x = 34,103,336,133.05
  5. Step 5: Solve for x
    x = 34,103,336,133.05/231,290.37
  6. Step 6: Final answer
    x = 147,448.15

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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.