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Finding the Fourth Proportional to 220,175.98, 303,842.82 and 124,701.12

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Solution

The fourth proportional to 220,175.98, 303,842.82 and 124,701.12 is: 172,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,175.98 : 303,842.82 = 124,701.12 : x
  2. Step 2: Convert to fraction form
    220,175.98/303,842.82 = 124,701.12/x
  3. Step 3: Cross multiply
    220,175.98x = 303,842.82 × 124,701.12
  4. Step 4: Simplify right side
    220,175.98x = 37,889,539,334.45
  5. Step 5: Solve for x
    x = 37,889,539,334.45/220,175.98
  6. Step 6: Final answer
    x = 172,087.53

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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.