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Finding the Fourth Proportional to 117,373.51, 161,975.52 and 63,658.51

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Solution

The fourth proportional to 117,373.51, 161,975.52 and 63,658.51 is: 87,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,373.51 : 161,975.52 = 63,658.51 : x
  2. Step 2: Convert to fraction form
    117,373.51/161,975.52 = 63,658.51/x
  3. Step 3: Cross multiply
    117,373.51x = 161,975.52 × 63,658.51
  4. Step 4: Simplify right side
    117,373.51x = 10,311,120,259.68
  5. Step 5: Solve for x
    x = 10,311,120,259.68/117,373.51
  6. Step 6: Final answer
    x = 87,848.79

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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.