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Finding the Fourth Proportional to 113,766.16, 157,028.53 and 66,034.89

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Solution

The fourth proportional to 113,766.16, 157,028.53 and 66,034.89 is: 91,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,766.16 : 157,028.53 = 66,034.89 : x
  2. Step 2: Convert to fraction form
    113,766.16/157,028.53 = 66,034.89/x
  3. Step 3: Cross multiply
    113,766.16x = 157,028.53 × 66,034.89
  4. Step 4: Simplify right side
    113,766.16x = 10,369,360,755.18
  5. Step 5: Solve for x
    x = 10,369,360,755.18/113,766.16
  6. Step 6: Final answer
    x = 91,146.27

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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.