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Finding the Fourth Proportional to 162,994.80, 244,492.20 and 154,246.80

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Solution

The fourth proportional to 162,994.80, 244,492.20 and 154,246.80 is: 231,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,994.80 : 244,492.20 = 154,246.80 : x
  2. Step 2: Convert to fraction form
    162,994.80/244,492.20 = 154,246.80/x
  3. Step 3: Cross multiply
    162,994.80x = 244,492.20 × 154,246.80
  4. Step 4: Simplify right side
    162,994.80x = 37,712,139,474.96
  5. Step 5: Solve for x
    x = 37,712,139,474.96/162,994.80
  6. Step 6: Final answer
    x = 231,370.20

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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.