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Finding the Fourth Proportional to 141,751.15, 212,621.38 and 35,135.39

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Solution

The fourth proportional to 141,751.15, 212,621.38 and 35,135.39 is: 52,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.15 : 212,621.38 = 35,135.39 : x
  2. Step 2: Convert to fraction form
    141,751.15/212,621.38 = 35,135.39/x
  3. Step 3: Cross multiply
    141,751.15x = 212,621.38 × 35,135.39
  4. Step 4: Simplify right side
    141,751.15x = 7,470,535,552.35
  5. Step 5: Solve for x
    x = 7,470,535,552.35/141,751.15
  6. Step 6: Final answer
    x = 52,701.76

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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.