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Finding the Fourth Proportional to 220,320.54, 304,041.60 and 124,845.44

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Solution

The fourth proportional to 220,320.54, 304,041.60 and 124,845.44 is: 172,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,320.54 : 304,041.60 = 124,845.44 : x
  2. Step 2: Convert to fraction form
    220,320.54/304,041.60 = 124,845.44/x
  3. Step 3: Cross multiply
    220,320.54x = 304,041.60 × 124,845.44
  4. Step 4: Simplify right side
    220,320.54x = 37,958,205,810.10
  5. Step 5: Solve for x
    x = 37,958,205,810.10/220,320.54
  6. Step 6: Final answer
    x = 172,286.28

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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.