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Finding the Fourth Proportional to 219,994.83, 303,597.17 and 143,562.82

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Solution

The fourth proportional to 219,994.83, 303,597.17 and 143,562.82 is: 198,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,994.83 : 303,597.17 = 143,562.82 : x
  2. Step 2: Convert to fraction form
    219,994.83/303,597.17 = 143,562.82/x
  3. Step 3: Cross multiply
    219,994.83x = 303,597.17 × 143,562.82
  4. Step 4: Simplify right side
    219,994.83x = 43,585,265,869.22
  5. Step 5: Solve for x
    x = 43,585,265,869.22/219,994.83
  6. Step 6: Final answer
    x = 198,119.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.