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Finding the Fourth Proportional to 222,455.44, 307,043.44 and 127,017.50

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Solution

The fourth proportional to 222,455.44, 307,043.44 and 127,017.50 is: 175,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,455.44 : 307,043.44 = 127,017.50 : x
  2. Step 2: Convert to fraction form
    222,455.44/307,043.44 = 127,017.50/x
  3. Step 3: Cross multiply
    222,455.44x = 307,043.44 × 127,017.50
  4. Step 4: Simplify right side
    222,455.44x = 38,999,890,140.20
  5. Step 5: Solve for x
    x = 38,999,890,140.20/222,455.44
  6. Step 6: Final answer
    x = 175,315.52

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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.