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Finding the Fourth Proportional to 117,564.60, 162,238.62 and 63,849.18

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Solution

The fourth proportional to 117,564.60, 162,238.62 and 63,849.18 is: 88,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.60 : 162,238.62 = 63,849.18 : x
  2. Step 2: Convert to fraction form
    117,564.60/162,238.62 = 63,849.18/x
  3. Step 3: Cross multiply
    117,564.60x = 162,238.62 × 63,849.18
  4. Step 4: Simplify right side
    117,564.60x = 10,358,802,851.33
  5. Step 5: Solve for x
    x = 10,358,802,851.33/117,564.60
  6. Step 6: Final answer
    x = 88,111.58

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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.