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Finding the Fourth Proportional to 132,457.11, 182,777.72 and 75,085.11

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Solution

The fourth proportional to 132,457.11, 182,777.72 and 75,085.11 is: 103,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,457.11 : 182,777.72 = 75,085.11 : x
  2. Step 2: Convert to fraction form
    132,457.11/182,777.72 = 75,085.11/x
  3. Step 3: Cross multiply
    132,457.11x = 182,777.72 × 75,085.11
  4. Step 4: Simplify right side
    132,457.11x = 13,723,884,836.32
  5. Step 5: Solve for x
    x = 13,723,884,836.32/132,457.11
  6. Step 6: Final answer
    x = 103,610.03

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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.