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Finding the Fourth Proportional to 200,004.20, 299,603.10 and 124,893.80

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Solution

The fourth proportional to 200,004.20, 299,603.10 and 124,893.80 is: 187,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,004.20 : 299,603.10 = 124,893.80 : x
  2. Step 2: Convert to fraction form
    200,004.20/299,603.10 = 124,893.80/x
  3. Step 3: Cross multiply
    200,004.20x = 299,603.10 × 124,893.80
  4. Step 4: Simplify right side
    200,004.20x = 37,418,569,650.78
  5. Step 5: Solve for x
    x = 37,418,569,650.78/200,004.20
  6. Step 6: Final answer
    x = 187,088.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.