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Finding the Fourth Proportional to 117,049.96, 161,528.43 and 63,335.93

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Solution

The fourth proportional to 117,049.96, 161,528.43 and 63,335.93 is: 87,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,049.96 : 161,528.43 = 63,335.93 : x
  2. Step 2: Convert to fraction form
    117,049.96/161,528.43 = 63,335.93/x
  3. Step 3: Cross multiply
    117,049.96x = 161,528.43 × 63,335.93
  4. Step 4: Simplify right side
    117,049.96x = 10,230,552,409.09
  5. Step 5: Solve for x
    x = 10,230,552,409.09/117,049.96
  6. Step 6: Final answer
    x = 87,403.30

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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.