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Finding the Fourth Proportional to 199,201.96, 275,167.02 and 185,030.20

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Solution

The fourth proportional to 199,201.96, 275,167.02 and 185,030.20 is: 255,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,201.96 : 275,167.02 = 185,030.20 : x
  2. Step 2: Convert to fraction form
    199,201.96/275,167.02 = 185,030.20/x
  3. Step 3: Cross multiply
    199,201.96x = 275,167.02 × 185,030.20
  4. Step 4: Simplify right side
    199,201.96x = 50,914,208,744.00
  5. Step 5: Solve for x
    x = 50,914,208,744.00/199,201.96
  6. Step 6: Final answer
    x = 255,590.90

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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.