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Finding the Fourth Proportional to 199,282.89, 274,854.87 and 127,669.59

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Solution

The fourth proportional to 199,282.89, 274,854.87 and 127,669.59 is: 176,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,282.89 : 274,854.87 = 127,669.59 : x
  2. Step 2: Convert to fraction form
    199,282.89/274,854.87 = 127,669.59/x
  3. Step 3: Cross multiply
    199,282.89x = 274,854.87 × 127,669.59
  4. Step 4: Simplify right side
    199,282.89x = 35,090,608,562.40
  5. Step 5: Solve for x
    x = 35,090,608,562.40/199,282.89
  6. Step 6: Final answer
    x = 176,084.40

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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.