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Finding the Fourth Proportional to 163,072.98, 225,043.11 and 95,088.06

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Solution

The fourth proportional to 163,072.98, 225,043.11 and 95,088.06 is: 131,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072.98 : 225,043.11 = 95,088.06 : x
  2. Step 2: Convert to fraction form
    163,072.98/225,043.11 = 95,088.06/x
  3. Step 3: Cross multiply
    163,072.98x = 225,043.11 × 95,088.06
  4. Step 4: Simplify right side
    163,072.98x = 21,398,912,746.27
  5. Step 5: Solve for x
    x = 21,398,912,746.27/163,072.98
  6. Step 6: Final answer
    x = 131,222.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.