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Finding the Fourth Proportional to 113,767, 157,029.69 and 66,035.73

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Solution

The fourth proportional to 113,767, 157,029.69 and 66,035.73 is: 91,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,767 : 157,029.69 = 66,035.73 : x
  2. Step 2: Convert to fraction form
    113,767/157,029.69 = 66,035.73/x
  3. Step 3: Cross multiply
    113,767x = 157,029.69 × 66,035.73
  4. Step 4: Simplify right side
    113,767x = 10,369,570,210.82
  5. Step 5: Solve for x
    x = 10,369,570,210.82/113,767
  6. Step 6: Final answer
    x = 91,147.43

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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.