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Finding the Fourth Proportional to 169,362.30, 253,952.66 and 57,005.22

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Solution

The fourth proportional to 169,362.30, 253,952.66 and 57,005.22 is: 85,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,362.30 : 253,952.66 = 57,005.22 : x
  2. Step 2: Convert to fraction form
    169,362.30/253,952.66 = 57,005.22/x
  3. Step 3: Cross multiply
    169,362.30x = 253,952.66 × 57,005.22
  4. Step 4: Simplify right side
    169,362.30x = 14,476,627,252.89
  5. Step 5: Solve for x
    x = 14,476,627,252.89/169,362.30
  6. Step 6: Final answer
    x = 85,477.27

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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.