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Finding the Fourth Proportional to 162,303, 243,451.24 and 73,539.96

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Solution

The fourth proportional to 162,303, 243,451.24 and 73,539.96 is: 110,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,303 : 243,451.24 = 73,539.96 : x
  2. Step 2: Convert to fraction form
    162,303/243,451.24 = 73,539.96/x
  3. Step 3: Cross multiply
    162,303x = 243,451.24 × 73,539.96
  4. Step 4: Simplify right side
    162,303x = 17,903,394,451.55
  5. Step 5: Solve for x
    x = 17,903,394,451.55/162,303
  6. Step 6: Final answer
    x = 110,308.46

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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.