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Finding the Fourth Proportional to 162,094.60, 243,012.30 and 68,523.40

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Solution

The fourth proportional to 162,094.60, 243,012.30 and 68,523.40 is: 102,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,094.60 : 243,012.30 = 68,523.40 : x
  2. Step 2: Convert to fraction form
    162,094.60/243,012.30 = 68,523.40/x
  3. Step 3: Cross multiply
    162,094.60x = 243,012.30 × 68,523.40
  4. Step 4: Simplify right side
    162,094.60x = 16,652,029,037.82
  5. Step 5: Solve for x
    x = 16,652,029,037.82/162,094.60
  6. Step 6: Final answer
    x = 102,730.31

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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.