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Finding the Fourth Proportional to 171,373.48, 257,071.11 and 53,034.88

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Solution

The fourth proportional to 171,373.48, 257,071.11 and 53,034.88 is: 79,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,373.48 : 257,071.11 = 53,034.88 : x
  2. Step 2: Convert to fraction form
    171,373.48/257,071.11 = 53,034.88/x
  3. Step 3: Cross multiply
    171,373.48x = 257,071.11 × 53,034.88
  4. Step 4: Simplify right side
    171,373.48x = 13,633,735,470.32
  5. Step 5: Solve for x
    x = 13,633,735,470.32/171,373.48
  6. Step 6: Final answer
    x = 79,555.69

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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.