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Finding the Fourth Proportional to 169,101.87, 253,656.90 and 56,785.77

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Solution

The fourth proportional to 169,101.87, 253,656.90 and 56,785.77 is: 85,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,101.87 : 253,656.90 = 56,785.77 : x
  2. Step 2: Convert to fraction form
    169,101.87/253,656.90 = 56,785.77/x
  3. Step 3: Cross multiply
    169,101.87x = 253,656.90 × 56,785.77
  4. Step 4: Simplify right side
    169,101.87x = 14,404,102,382.31
  5. Step 5: Solve for x
    x = 14,404,102,382.31/169,101.87
  6. Step 6: Final answer
    x = 85,180.03

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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.