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Finding the Fourth Proportional to 117,084.60, 161,577.21 and 63,369.60

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Solution

The fourth proportional to 117,084.60, 161,577.21 and 63,369.60 is: 87,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,084.60 : 161,577.21 = 63,369.60 : x
  2. Step 2: Convert to fraction form
    117,084.60/161,577.21 = 63,369.60/x
  3. Step 3: Cross multiply
    117,084.60x = 161,577.21 × 63,369.60
  4. Step 4: Simplify right side
    117,084.60x = 10,239,083,166.82
  5. Step 5: Solve for x
    x = 10,239,083,166.82/117,084.60
  6. Step 6: Final answer
    x = 87,450.30

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1.5x scale

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.