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Finding the Fourth Proportional to 357,832.45, 536,748.33 and 91,592.54

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Solution

The fourth proportional to 357,832.45, 536,748.33 and 91,592.54 is: 137,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,832.45 : 536,748.33 = 91,592.54 : x
  2. Step 2: Convert to fraction form
    357,832.45/536,748.33 = 91,592.54/x
  3. Step 3: Cross multiply
    357,832.45x = 536,748.33 × 91,592.54
  4. Step 4: Simplify right side
    357,832.45x = 49,162,141,543.59
  5. Step 5: Solve for x
    x = 49,162,141,543.59/357,832.45
  6. Step 6: Final answer
    x = 137,388.72

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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.