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Finding the Fourth Proportional to 164,955.96, 247,579.74 and 108,638.28

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Solution

The fourth proportional to 164,955.96, 247,579.74 and 108,638.28 is: 163,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,955.96 : 247,579.74 = 108,638.28 : x
  2. Step 2: Convert to fraction form
    164,955.96/247,579.74 = 108,638.28/x
  3. Step 3: Cross multiply
    164,955.96x = 247,579.74 × 108,638.28
  4. Step 4: Simplify right side
    164,955.96x = 26,896,637,116.45
  5. Step 5: Solve for x
    x = 26,896,637,116.45/164,955.96
  6. Step 6: Final answer
    x = 163,053.44

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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.