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Finding the Fourth Proportional to 162,267.39, 243,373.01 and 43,911.09

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Solution

The fourth proportional to 162,267.39, 243,373.01 and 43,911.09 is: 65,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,267.39 : 243,373.01 = 43,911.09 : x
  2. Step 2: Convert to fraction form
    162,267.39/243,373.01 = 43,911.09/x
  3. Step 3: Cross multiply
    162,267.39x = 243,373.01 × 43,911.09
  4. Step 4: Simplify right side
    162,267.39x = 10,686,773,926.13
  5. Step 5: Solve for x
    x = 10,686,773,926.13/162,267.39
  6. Step 6: Final answer
    x = 65,859.04

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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.