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Finding the Fourth Proportional to 252,114.58, 378,230.61 and 83,622.58

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Solution

The fourth proportional to 252,114.58, 378,230.61 and 83,622.58 is: 125,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,114.58 : 378,230.61 = 83,622.58 : x
  2. Step 2: Convert to fraction form
    252,114.58/378,230.61 = 83,622.58/x
  3. Step 3: Cross multiply
    252,114.58x = 378,230.61 × 83,622.58
  4. Step 4: Simplify right side
    252,114.58x = 31,628,619,443.17
  5. Step 5: Solve for x
    x = 31,628,619,443.17/252,114.58
  6. Step 6: Final answer
    x = 125,453.35

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1.5x scale

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.