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Finding the Fourth Proportional to 162,250.57, 243,345.76 and 43,906.53

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Solution

The fourth proportional to 162,250.57, 243,345.76 and 43,906.53 is: 65,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,250.57 : 243,345.76 = 43,906.53 : x
  2. Step 2: Convert to fraction form
    162,250.57/243,345.76 = 43,906.53/x
  3. Step 3: Cross multiply
    162,250.57x = 243,345.76 × 43,906.53
  4. Step 4: Simplify right side
    162,250.57x = 10,684,467,911.81
  5. Step 5: Solve for x
    x = 10,684,467,911.81/162,250.57
  6. Step 6: Final answer
    x = 65,851.65

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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.