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Finding the Fourth Proportional to 172,914.44, 259,349.79 and 46,564.77

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Solution

The fourth proportional to 172,914.44, 259,349.79 and 46,564.77 is: 69,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,914.44 : 259,349.79 = 46,564.77 : x
  2. Step 2: Convert to fraction form
    172,914.44/259,349.79 = 46,564.77/x
  3. Step 3: Cross multiply
    172,914.44x = 259,349.79 × 46,564.77
  4. Step 4: Simplify right side
    172,914.44x = 12,076,563,320.90
  5. Step 5: Solve for x
    x = 12,076,563,320.90/172,914.44
  6. Step 6: Final answer
    x = 69,841.27

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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.