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Finding the Fourth Proportional to 117,635.93, 162,337.23 and 63,921.11

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Solution

The fourth proportional to 117,635.93, 162,337.23 and 63,921.11 is: 88,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.93 : 162,337.23 = 63,921.11 : x
  2. Step 2: Convert to fraction form
    117,635.93/162,337.23 = 63,921.11/x
  3. Step 3: Cross multiply
    117,635.93x = 162,337.23 × 63,921.11
  4. Step 4: Simplify right side
    117,635.93x = 10,376,775,935.93
  5. Step 5: Solve for x
    x = 10,376,775,935.93/117,635.93
  6. Step 6: Final answer
    x = 88,210.94

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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.