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Finding the Fourth Proportional to 181,037.28, 271,555.92 and 56,388

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Solution

The fourth proportional to 181,037.28, 271,555.92 and 56,388 is: 84,582

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,037.28 : 271,555.92 = 56,388 : x
  2. Step 2: Convert to fraction form
    181,037.28/271,555.92 = 56,388/x
  3. Step 3: Cross multiply
    181,037.28x = 271,555.92 × 56,388
  4. Step 4: Simplify right side
    181,037.28x = 15,312,495,216.96
  5. Step 5: Solve for x
    x = 15,312,495,216.96/181,037.28
  6. Step 6: Final answer
    x = 84,582

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Why These Related Problems?

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