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Finding the Fourth Proportional to 200,995.56, 277,503.66 and 124,595.91

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Solution

The fourth proportional to 200,995.56, 277,503.66 and 124,595.91 is: 172,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,995.56 : 277,503.66 = 124,595.91 : x
  2. Step 2: Convert to fraction form
    200,995.56/277,503.66 = 124,595.91/x
  3. Step 3: Cross multiply
    200,995.56x = 277,503.66 × 124,595.91
  4. Step 4: Simplify right side
    200,995.56x = 34,575,821,046.03
  5. Step 5: Solve for x
    x = 34,575,821,046.03/200,995.56
  6. Step 6: Final answer
    x = 172,022.81

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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.