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Finding the Fourth Proportional to 334,759.89, 502,072.69 and 163,907.99

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Solution

The fourth proportional to 334,759.89, 502,072.69 and 163,907.99 is: 245,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,759.89 : 502,072.69 = 163,907.99 : x
  2. Step 2: Convert to fraction form
    334,759.89/502,072.69 = 163,907.99/x
  3. Step 3: Cross multiply
    334,759.89x = 502,072.69 × 163,907.99
  4. Step 4: Simplify right side
    334,759.89x = 82,293,722,941.43
  5. Step 5: Solve for x
    x = 82,293,722,941.43/334,759.89
  6. Step 6: Final answer
    x = 245,829.11

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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.