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Finding the Fourth Proportional to 162,671.80, 244,047.70 and 56,057.40

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Solution

The fourth proportional to 162,671.80, 244,047.70 and 56,057.40 is: 84,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,671.80 : 244,047.70 = 56,057.40 : x
  2. Step 2: Convert to fraction form
    162,671.80/244,047.70 = 56,057.40/x
  3. Step 3: Cross multiply
    162,671.80x = 244,047.70 × 56,057.40
  4. Step 4: Simplify right side
    162,671.80x = 13,680,679,537.98
  5. Step 5: Solve for x
    x = 13,680,679,537.98/162,671.80
  6. Step 6: Final answer
    x = 84,099.88

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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.