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Finding the Fourth Proportional to 117,563.55, 162,239.18 and 63,849.47

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Solution

The fourth proportional to 117,563.55, 162,239.18 and 63,849.47 is: 88,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,563.55 : 162,239.18 = 63,849.47 : x
  2. Step 2: Convert to fraction form
    117,563.55/162,239.18 = 63,849.47/x
  3. Step 3: Cross multiply
    117,563.55x = 162,239.18 × 63,849.47
  4. Step 4: Simplify right side
    117,563.55x = 10,358,884,705.37
  5. Step 5: Solve for x
    x = 10,358,884,705.37/117,563.55
  6. Step 6: Final answer
    x = 88,113.06

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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.