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Finding the Fourth Proportional to 357,466.37, 536,199.24 and 91,226.86

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Solution

The fourth proportional to 357,466.37, 536,199.24 and 91,226.86 is: 136,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,466.37 : 536,199.24 = 91,226.86 : x
  2. Step 2: Convert to fraction form
    357,466.37/536,199.24 = 91,226.86/x
  3. Step 3: Cross multiply
    357,466.37x = 536,199.24 × 91,226.86
  4. Step 4: Simplify right side
    357,466.37x = 48,915,772,001.19
  5. Step 5: Solve for x
    x = 48,915,772,001.19/357,466.37
  6. Step 6: Final answer
    x = 136,840.21

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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.