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Finding the Fourth Proportional to 235,130.86, 324,469.72 and 133,153.98

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Solution

The fourth proportional to 235,130.86, 324,469.72 and 133,153.98 is: 183,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,130.86 : 324,469.72 = 133,153.98 : x
  2. Step 2: Convert to fraction form
    235,130.86/324,469.72 = 133,153.98/x
  3. Step 3: Cross multiply
    235,130.86x = 324,469.72 × 133,153.98
  4. Step 4: Simplify right side
    235,130.86x = 43,204,434,607.49
  5. Step 5: Solve for x
    x = 43,204,434,607.49/235,130.86
  6. Step 6: Final answer
    x = 183,746.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.