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Finding the Fourth Proportional to 114,453.78, 157,962.57 and 63,477.85

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Solution

The fourth proportional to 114,453.78, 157,962.57 and 63,477.85 is: 87,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,453.78 : 157,962.57 = 63,477.85 : x
  2. Step 2: Convert to fraction form
    114,453.78/157,962.57 = 63,477.85/x
  3. Step 3: Cross multiply
    114,453.78x = 157,962.57 × 63,477.85
  4. Step 4: Simplify right side
    114,453.78x = 10,027,124,520.84
  5. Step 5: Solve for x
    x = 10,027,124,520.84/114,453.78
  6. Step 6: Final answer
    x = 87,608.50

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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.