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Finding the Fourth Proportional to 117,068.37, 161,554.33 and 63,353.38

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Solution

The fourth proportional to 117,068.37, 161,554.33 and 63,353.38 is: 87,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,068.37 : 161,554.33 = 63,353.38 : x
  2. Step 2: Convert to fraction form
    117,068.37/161,554.33 = 63,353.38/x
  3. Step 3: Cross multiply
    117,068.37x = 161,554.33 × 63,353.38
  4. Step 4: Simplify right side
    117,068.37x = 10,235,012,859.14
  5. Step 5: Solve for x
    x = 10,235,012,859.14/117,068.37
  6. Step 6: Final answer
    x = 87,427.65

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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.