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Finding the Fourth Proportional to 155,645.93, 232,941.14 and 95,712.05

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Solution

The fourth proportional to 155,645.93, 232,941.14 and 95,712.05 is: 143,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,645.93 : 232,941.14 = 95,712.05 : x
  2. Step 2: Convert to fraction form
    155,645.93/232,941.14 = 95,712.05/x
  3. Step 3: Cross multiply
    155,645.93x = 232,941.14 × 95,712.05
  4. Step 4: Simplify right side
    155,645.93x = 22,295,274,860.37
  5. Step 5: Solve for x
    x = 22,295,274,860.37/155,645.93
  6. Step 6: Final answer
    x = 143,243.54

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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.