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Finding the Fourth Proportional to 219,987.88, 303,587.82 and 124,494.55

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Solution

The fourth proportional to 219,987.88, 303,587.82 and 124,494.55 is: 171,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,987.88 : 303,587.82 = 124,494.55 : x
  2. Step 2: Convert to fraction form
    219,987.88/303,587.82 = 124,494.55/x
  3. Step 3: Cross multiply
    219,987.88x = 303,587.82 × 124,494.55
  4. Step 4: Simplify right side
    219,987.88x = 37,795,029,036.38
  5. Step 5: Solve for x
    x = 37,795,029,036.38/219,987.88
  6. Step 6: Final answer
    x = 171,805.05

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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.