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Finding the Fourth Proportional to 162,054.68, 243,082.01 and 43,725.83

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Solution

The fourth proportional to 162,054.68, 243,082.01 and 43,725.83 is: 65,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,054.68 : 243,082.01 = 43,725.83 : x
  2. Step 2: Convert to fraction form
    162,054.68/243,082.01 = 43,725.83/x
  3. Step 3: Cross multiply
    162,054.68x = 243,082.01 × 43,725.83
  4. Step 4: Simplify right side
    162,054.68x = 10,628,961,539.22
  5. Step 5: Solve for x
    x = 10,628,961,539.22/162,054.68
  6. Step 6: Final answer
    x = 65,588.74

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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.