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Finding the Fourth Proportional to 169,406.52, 254,068.68 and 57,057.72

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Solution

The fourth proportional to 169,406.52, 254,068.68 and 57,057.72 is: 85,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,406.52 : 254,068.68 = 57,057.72 : x
  2. Step 2: Convert to fraction form
    169,406.52/254,068.68 = 57,057.72/x
  3. Step 3: Cross multiply
    169,406.52x = 254,068.68 × 57,057.72
  4. Step 4: Simplify right side
    169,406.52x = 14,496,579,604.21
  5. Step 5: Solve for x
    x = 14,496,579,604.21/169,406.52
  6. Step 6: Final answer
    x = 85,572.74

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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.