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Finding the Fourth Proportional to 117,175.68, 161,702.19 and 63,460.53

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Solution

The fourth proportional to 117,175.68, 161,702.19 and 63,460.53 is: 87,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.68 : 161,702.19 = 63,460.53 : x
  2. Step 2: Convert to fraction form
    117,175.68/161,702.19 = 63,460.53/x
  3. Step 3: Cross multiply
    117,175.68x = 161,702.19 × 63,460.53
  4. Step 4: Simplify right side
    117,175.68x = 10,261,706,679.56
  5. Step 5: Solve for x
    x = 10,261,706,679.56/117,175.68
  6. Step 6: Final answer
    x = 87,575.40

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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.