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Finding the Fourth Proportional to 169,858.64, 254,793.72 and 45,199.76

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Solution

The fourth proportional to 169,858.64, 254,793.72 and 45,199.76 is: 67,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,858.64 : 254,793.72 = 45,199.76 : x
  2. Step 2: Convert to fraction form
    169,858.64/254,793.72 = 45,199.76/x
  3. Step 3: Cross multiply
    169,858.64x = 254,793.72 × 45,199.76
  4. Step 4: Simplify right side
    169,858.64x = 11,516,614,993.51
  5. Step 5: Solve for x
    x = 11,516,614,993.51/169,858.64
  6. Step 6: Final answer
    x = 67,801.17

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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.