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Finding the Fourth Proportional to 162,692.30, 243,981.27 and 48,806.15

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Solution

The fourth proportional to 162,692.30, 243,981.27 and 48,806.15 is: 73,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,692.30 : 243,981.27 = 48,806.15 : x
  2. Step 2: Convert to fraction form
    162,692.30/243,981.27 = 48,806.15/x
  3. Step 3: Cross multiply
    162,692.30x = 243,981.27 × 48,806.15
  4. Step 4: Simplify right side
    162,692.30x = 11,907,785,240.90
  5. Step 5: Solve for x
    x = 11,907,785,240.90/162,692.30
  6. Step 6: Final answer
    x = 73,192.07

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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.