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Finding the Fourth Proportional to 162,444, 243,638.04 and 44,124.86

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Solution

The fourth proportional to 162,444, 243,638.04 and 44,124.86 is: 66,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,444 : 243,638.04 = 44,124.86 : x
  2. Step 2: Convert to fraction form
    162,444/243,638.04 = 44,124.86/x
  3. Step 3: Cross multiply
    162,444x = 243,638.04 × 44,124.86
  4. Step 4: Simplify right side
    162,444x = 10,750,494,405.67
  5. Step 5: Solve for x
    x = 10,750,494,405.67/162,444
  6. Step 6: Final answer
    x = 66,179.70

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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.