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Finding the Fourth Proportional to 117,083.84, 161,575.68 and 63,369.26

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Solution

The fourth proportional to 117,083.84, 161,575.68 and 63,369.26 is: 87,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,083.84 : 161,575.68 = 63,369.26 : x
  2. Step 2: Convert to fraction form
    117,083.84/161,575.68 = 63,369.26/x
  3. Step 3: Cross multiply
    117,083.84x = 161,575.68 × 63,369.26
  4. Step 4: Simplify right side
    117,083.84x = 10,238,931,275.60
  5. Step 5: Solve for x
    x = 10,238,931,275.60/117,083.84
  6. Step 6: Final answer
    x = 87,449.57

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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.