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Finding the Fourth Proportional to 132,354.95, 182,557.47 and 87,018.44

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Solution

The fourth proportional to 132,354.95, 182,557.47 and 87,018.44 is: 120,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,354.95 : 182,557.47 = 87,018.44 : x
  2. Step 2: Convert to fraction form
    132,354.95/182,557.47 = 87,018.44/x
  3. Step 3: Cross multiply
    132,354.95x = 182,557.47 × 87,018.44
  4. Step 4: Simplify right side
    132,354.95x = 15,885,866,249.75
  5. Step 5: Solve for x
    x = 15,885,866,249.75/132,354.95
  6. Step 6: Final answer
    x = 120,024.72

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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.