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Finding the Fourth Proportional to 162,184.64, 243,300.26 and 49,874.32

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Solution

The fourth proportional to 162,184.64, 243,300.26 and 49,874.32 is: 74,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,184.64 : 243,300.26 = 49,874.32 : x
  2. Step 2: Convert to fraction form
    162,184.64/243,300.26 = 49,874.32/x
  3. Step 3: Cross multiply
    162,184.64x = 243,300.26 × 49,874.32
  4. Step 4: Simplify right side
    162,184.64x = 12,134,435,023.32
  5. Step 5: Solve for x
    x = 12,134,435,023.32/162,184.64
  6. Step 6: Final answer
    x = 74,818.65

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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.