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Finding the Fourth Proportional to 171,391.26, 257,098.91 and 53,047.02

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Solution

The fourth proportional to 171,391.26, 257,098.91 and 53,047.02 is: 79,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,391.26 : 257,098.91 = 53,047.02 : x
  2. Step 2: Convert to fraction form
    171,391.26/257,098.91 = 53,047.02/x
  3. Step 3: Cross multiply
    171,391.26x = 257,098.91 × 53,047.02
  4. Step 4: Simplify right side
    171,391.26x = 13,638,330,755.51
  5. Step 5: Solve for x
    x = 13,638,330,755.51/171,391.26
  6. Step 6: Final answer
    x = 79,574.25

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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.