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Finding the Fourth Proportional to 169,143.96, 253,754.37 and 56,815.56

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Solution

The fourth proportional to 169,143.96, 253,754.37 and 56,815.56 is: 85,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,143.96 : 253,754.37 = 56,815.56 : x
  2. Step 2: Convert to fraction form
    169,143.96/253,754.37 = 56,815.56/x
  3. Step 3: Cross multiply
    169,143.96x = 253,754.37 × 56,815.56
  4. Step 4: Simplify right side
    169,143.96x = 14,417,196,634.00
  5. Step 5: Solve for x
    x = 14,417,196,634.00/169,143.96
  6. Step 6: Final answer
    x = 85,236.25

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1.5x scale

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.