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Finding the Fourth Proportional to 169,784.72, 254,662.39 and 57,462.45

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Solution

The fourth proportional to 169,784.72, 254,662.39 and 57,462.45 is: 86,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,784.72 : 254,662.39 = 57,462.45 : x
  2. Step 2: Convert to fraction form
    169,784.72/254,662.39 = 57,462.45/x
  3. Step 3: Cross multiply
    169,784.72x = 254,662.39 × 57,462.45
  4. Step 4: Simplify right side
    169,784.72x = 14,633,524,852.26
  5. Step 5: Solve for x
    x = 14,633,524,852.26/169,784.72
  6. Step 6: Final answer
    x = 86,188.70

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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.