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Finding the Fourth Proportional to 169,493.40, 254,491.20 and 94,762.80

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Solution

The fourth proportional to 169,493.40, 254,491.20 and 94,762.80 is: 142,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,493.40 : 254,491.20 = 94,762.80 : x
  2. Step 2: Convert to fraction form
    169,493.40/254,491.20 = 94,762.80/x
  3. Step 3: Cross multiply
    169,493.40x = 254,491.20 × 94,762.80
  4. Step 4: Simplify right side
    169,493.40x = 24,116,298,687.36
  5. Step 5: Solve for x
    x = 24,116,298,687.36/169,493.40
  6. Step 6: Final answer
    x = 142,284.59

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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.