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Finding the Fourth Proportional to 169,668.99, 254,461.43 and 57,346.72

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Solution

The fourth proportional to 169,668.99, 254,461.43 and 57,346.72 is: 86,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,668.99 : 254,461.43 = 57,346.72 : x
  2. Step 2: Convert to fraction form
    169,668.99/254,461.43 = 57,346.72/x
  3. Step 3: Cross multiply
    169,668.99x = 254,461.43 × 57,346.72
  4. Step 4: Simplify right side
    169,668.99x = 14,592,527,884.22
  5. Step 5: Solve for x
    x = 14,592,527,884.22/169,668.99
  6. Step 6: Final answer
    x = 86,005.86

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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.