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Finding the Fourth Proportional to 171,569.60, 257,379.24 and 53,250.50

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Solution

The fourth proportional to 171,569.60, 257,379.24 and 53,250.50 is: 79,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,569.60 : 257,379.24 = 53,250.50 : x
  2. Step 2: Convert to fraction form
    171,569.60/257,379.24 = 53,250.50/x
  3. Step 3: Cross multiply
    171,569.60x = 257,379.24 × 53,250.50
  4. Step 4: Simplify right side
    171,569.60x = 13,705,573,219.62
  5. Step 5: Solve for x
    x = 13,705,573,219.62/171,569.60
  6. Step 6: Final answer
    x = 79,883.46

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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.