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Finding the Fourth Proportional to 169,800.82, 254,686.56 and 57,478.63

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Solution

The fourth proportional to 169,800.82, 254,686.56 and 57,478.63 is: 86,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,800.82 : 254,686.56 = 57,478.63 : x
  2. Step 2: Convert to fraction form
    169,800.82/254,686.56 = 57,478.63/x
  3. Step 3: Cross multiply
    169,800.82x = 254,686.56 × 57,478.63
  4. Step 4: Simplify right side
    169,800.82x = 14,639,034,548.21
  5. Step 5: Solve for x
    x = 14,639,034,548.21/169,800.82
  6. Step 6: Final answer
    x = 86,212.98

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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.