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Finding the Fourth Proportional to 199,501.50, 275,312.07 and 110,077.50

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Solution

The fourth proportional to 199,501.50, 275,312.07 and 110,077.50 is: 151,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,501.50 : 275,312.07 = 110,077.50 : x
  2. Step 2: Convert to fraction form
    199,501.50/275,312.07 = 110,077.50/x
  3. Step 3: Cross multiply
    199,501.50x = 275,312.07 × 110,077.50
  4. Step 4: Simplify right side
    199,501.50x = 30,305,664,385.43
  5. Step 5: Solve for x
    x = 30,305,664,385.43/199,501.50
  6. Step 6: Final answer
    x = 151,906.95

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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.