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Finding the Fourth Proportional to 162,056.80, 243,073.68 and 43,734.88

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Solution

The fourth proportional to 162,056.80, 243,073.68 and 43,734.88 is: 65,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,056.80 : 243,073.68 = 43,734.88 : x
  2. Step 2: Convert to fraction form
    162,056.80/243,073.68 = 43,734.88/x
  3. Step 3: Cross multiply
    162,056.80x = 243,073.68 × 43,734.88
  4. Step 4: Simplify right side
    162,056.80x = 10,630,798,225.96
  5. Step 5: Solve for x
    x = 10,630,798,225.96/162,056.80
  6. Step 6: Final answer
    x = 65,599.21

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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.