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Finding the Fourth Proportional to 162,873.39, 243,973.82 and 120,800.98

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Solution

The fourth proportional to 162,873.39, 243,973.82 and 120,800.98 is: 180,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,873.39 : 243,973.82 = 120,800.98 : x
  2. Step 2: Convert to fraction form
    162,873.39/243,973.82 = 120,800.98/x
  3. Step 3: Cross multiply
    162,873.39x = 243,973.82 × 120,800.98
  4. Step 4: Simplify right side
    162,873.39x = 29,472,276,550.34
  5. Step 5: Solve for x
    x = 29,472,276,550.34/162,873.39
  6. Step 6: Final answer
    x = 180,952.07

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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.