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Finding the Fourth Proportional to 162,670.80, 244,046.20 and 56,056.40

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Solution

The fourth proportional to 162,670.80, 244,046.20 and 56,056.40 is: 84,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,670.80 : 244,046.20 = 56,056.40 : x
  2. Step 2: Convert to fraction form
    162,670.80/244,046.20 = 56,056.40/x
  3. Step 3: Cross multiply
    162,670.80x = 244,046.20 × 56,056.40
  4. Step 4: Simplify right side
    162,670.80x = 13,680,351,405.68
  5. Step 5: Solve for x
    x = 13,680,351,405.68/162,670.80
  6. Step 6: Final answer
    x = 84,098.38

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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.