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Finding the Fourth Proportional to 357,805.35, 536,708.33 and 168,126.59

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Solution

The fourth proportional to 357,805.35, 536,708.33 and 168,126.59 is: 252,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,805.35 : 536,708.33 = 168,126.59 : x
  2. Step 2: Convert to fraction form
    357,805.35/536,708.33 = 168,126.59/x
  3. Step 3: Cross multiply
    357,805.35x = 536,708.33 × 168,126.59
  4. Step 4: Simplify right side
    357,805.35x = 90,234,939,460.12
  5. Step 5: Solve for x
    x = 90,234,939,460.12/357,805.35
  6. Step 6: Final answer
    x = 252,190.02

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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.