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Finding the Fourth Proportional to 132,381.52, 182,690.58 and 75,811.12

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Solution

The fourth proportional to 132,381.52, 182,690.58 and 75,811.12 is: 104,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,381.52 : 182,690.58 = 75,811.12 : x
  2. Step 2: Convert to fraction form
    132,381.52/182,690.58 = 75,811.12/x
  3. Step 3: Cross multiply
    132,381.52x = 182,690.58 × 75,811.12
  4. Step 4: Simplify right side
    132,381.52x = 13,849,977,483.25
  5. Step 5: Solve for x
    x = 13,849,977,483.25/132,381.52
  6. Step 6: Final answer
    x = 104,621.68

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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.