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Finding the Fourth Proportional to 132,457.58, 182,785.89 and 75,100.76

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Solution

The fourth proportional to 132,457.58, 182,785.89 and 75,100.76 is: 103,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,457.58 : 182,785.89 = 75,100.76 : x
  2. Step 2: Convert to fraction form
    132,457.58/182,785.89 = 75,100.76/x
  3. Step 3: Cross multiply
    132,457.58x = 182,785.89 × 75,100.76
  4. Step 4: Simplify right side
    132,457.58x = 13,727,359,309.42
  5. Step 5: Solve for x
    x = 13,727,359,309.42/132,457.58
  6. Step 6: Final answer
    x = 103,635.89

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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.