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Finding the Fourth Proportional to 162,114.80, 243,114.60 and 73,410.80

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Solution

The fourth proportional to 162,114.80, 243,114.60 and 73,410.80 is: 110,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,114.80 : 243,114.60 = 73,410.80 : x
  2. Step 2: Convert to fraction form
    162,114.80/243,114.60 = 73,410.80/x
  3. Step 3: Cross multiply
    162,114.80x = 243,114.60 × 73,410.80
  4. Step 4: Simplify right side
    162,114.80x = 17,847,237,277.68
  5. Step 5: Solve for x
    x = 17,847,237,277.68/162,114.80
  6. Step 6: Final answer
    x = 110,090.12

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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.