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Finding the Fourth Proportional to 171,627.78, 257,458.73 and 63,586.05

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Solution

The fourth proportional to 171,627.78, 257,458.73 and 63,586.05 is: 95,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,627.78 : 257,458.73 = 63,586.05 : x
  2. Step 2: Convert to fraction form
    171,627.78/257,458.73 = 63,586.05/x
  3. Step 3: Cross multiply
    171,627.78x = 257,458.73 × 63,586.05
  4. Step 4: Simplify right side
    171,627.78x = 16,370,783,678.72
  5. Step 5: Solve for x
    x = 16,370,783,678.72/171,627.78
  6. Step 6: Final answer
    x = 95,385.40

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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.