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Finding the Fourth Proportional to 162,220.69, 243,354.30 and 49,910.32

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Solution

The fourth proportional to 162,220.69, 243,354.30 and 49,910.32 is: 74,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,220.69 : 243,354.30 = 49,910.32 : x
  2. Step 2: Convert to fraction form
    162,220.69/243,354.30 = 49,910.32/x
  3. Step 3: Cross multiply
    162,220.69x = 243,354.30 × 49,910.32
  4. Step 4: Simplify right side
    162,220.69x = 12,145,890,986.38
  5. Step 5: Solve for x
    x = 12,145,890,986.38/162,220.69
  6. Step 6: Final answer
    x = 74,872.64

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1.5x scale

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.