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Finding the Fourth Proportional to 169,080.92, 253,661.40 and 55,228.16

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Solution

The fourth proportional to 169,080.92, 253,661.40 and 55,228.16 is: 82,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,080.92 : 253,661.40 = 55,228.16 : x
  2. Step 2: Convert to fraction form
    169,080.92/253,661.40 = 55,228.16/x
  3. Step 3: Cross multiply
    169,080.92x = 253,661.40 × 55,228.16
  4. Step 4: Simplify right side
    169,080.92x = 14,009,252,385.02
  5. Step 5: Solve for x
    x = 14,009,252,385.02/169,080.92
  6. Step 6: Final answer
    x = 82,855.31

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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.