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Finding the Fourth Proportional to 169,910.36, 254,706.36 and 57,511.92

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Solution

The fourth proportional to 169,910.36, 254,706.36 and 57,511.92 is: 86,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,910.36 : 254,706.36 = 57,511.92 : x
  2. Step 2: Convert to fraction form
    169,910.36/254,706.36 = 57,511.92/x
  3. Step 3: Cross multiply
    169,910.36x = 254,706.36 × 57,511.92
  4. Step 4: Simplify right side
    169,910.36x = 14,648,651,799.81
  5. Step 5: Solve for x
    x = 14,648,651,799.81/169,910.36
  6. Step 6: Final answer
    x = 86,214.00

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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.