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Finding the Fourth Proportional to 161,663.44, 223,106.76 and 98,003.92

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Solution

The fourth proportional to 161,663.44, 223,106.76 and 98,003.92 is: 135,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,663.44 : 223,106.76 = 98,003.92 : x
  2. Step 2: Convert to fraction form
    161,663.44/223,106.76 = 98,003.92/x
  3. Step 3: Cross multiply
    161,663.44x = 223,106.76 × 98,003.92
  4. Step 4: Simplify right side
    161,663.44x = 21,865,337,058.50
  5. Step 5: Solve for x
    x = 21,865,337,058.50/161,663.44
  6. Step 6: Final answer
    x = 135,252.21

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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.