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Finding the Fourth Proportional to 162,070.68, 243,106.02 and 43,741.83

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Solution

The fourth proportional to 162,070.68, 243,106.02 and 43,741.83 is: 65,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,070.68 : 243,106.02 = 43,741.83 : x
  2. Step 2: Convert to fraction form
    162,070.68/243,106.02 = 43,741.83/x
  3. Step 3: Cross multiply
    162,070.68x = 243,106.02 × 43,741.83
  4. Step 4: Simplify right side
    162,070.68x = 10,633,902,198.82
  5. Step 5: Solve for x
    x = 10,633,902,198.82/162,070.68
  6. Step 6: Final answer
    x = 65,612.75

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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.