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Finding the Fourth Proportional to 235,918.40, 353,013.60 and 173,710.40

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Solution

The fourth proportional to 235,918.40, 353,013.60 and 173,710.40 is: 259,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,918.40 : 353,013.60 = 173,710.40 : x
  2. Step 2: Convert to fraction form
    235,918.40/353,013.60 = 173,710.40/x
  3. Step 3: Cross multiply
    235,918.40x = 353,013.60 × 173,710.40
  4. Step 4: Simplify right side
    235,918.40x = 61,322,133,661.44
  5. Step 5: Solve for x
    x = 61,322,133,661.44/235,918.40
  6. Step 6: Final answer
    x = 259,929.42

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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.