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Finding the Fourth Proportional to 82,758.96, 124,210.53 and 43,343.82

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Solution

The fourth proportional to 82,758.96, 124,210.53 and 43,343.82 is: 65,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758.96 : 124,210.53 = 43,343.82 : x
  2. Step 2: Convert to fraction form
    82,758.96/124,210.53 = 43,343.82/x
  3. Step 3: Cross multiply
    82,758.96x = 124,210.53 × 43,343.82
  4. Step 4: Simplify right side
    82,758.96x = 5,383,758,854.42
  5. Step 5: Solve for x
    x = 5,383,758,854.42/82,758.96
  6. Step 6: Final answer
    x = 65,053.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.