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Finding the Fourth Proportional to 357,466.87, 536,200.00 and 91,227.36

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Solution

The fourth proportional to 357,466.87, 536,200.00 and 91,227.36 is: 136,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,466.87 : 536,200.00 = 91,227.36 : x
  2. Step 2: Convert to fraction form
    357,466.87/536,200.00 = 91,227.36/x
  3. Step 3: Cross multiply
    357,466.87x = 536,200.00 × 91,227.36
  4. Step 4: Simplify right side
    357,466.87x = 48,916,109,975.86
  5. Step 5: Solve for x
    x = 48,916,109,975.86/357,466.87
  6. Step 6: Final answer
    x = 136,840.96

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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.