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Finding the Fourth Proportional to 162,492.80, 243,640.80 and 106,265.04

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Solution

The fourth proportional to 162,492.80, 243,640.80 and 106,265.04 is: 159,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,492.80 : 243,640.80 = 106,265.04 : x
  2. Step 2: Convert to fraction form
    162,492.80/243,640.80 = 106,265.04/x
  3. Step 3: Cross multiply
    162,492.80x = 243,640.80 × 106,265.04
  4. Step 4: Simplify right side
    162,492.80x = 25,890,499,357.63
  5. Step 5: Solve for x
    x = 25,890,499,357.63/162,492.80
  6. Step 6: Final answer
    x = 159,333.21

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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.