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Finding the Fourth Proportional to 117,334.56, 161,920 and 63,618.56

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Solution

The fourth proportional to 117,334.56, 161,920 and 63,618.56 is: 87,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.56 : 161,920 = 63,618.56 : x
  2. Step 2: Convert to fraction form
    117,334.56/161,920 = 63,618.56/x
  3. Step 3: Cross multiply
    117,334.56x = 161,920 × 63,618.56
  4. Step 4: Simplify right side
    117,334.56x = 10,301,117,235.20
  5. Step 5: Solve for x
    x = 10,301,117,235.20/117,334.56
  6. Step 6: Final answer
    x = 87,792.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.