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Finding the Fourth Proportional to 199,504.85, 275,316.71 and 127,885.01

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Solution

The fourth proportional to 199,504.85, 275,316.71 and 127,885.01 is: 176,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,504.85 : 275,316.71 = 127,885.01 : x
  2. Step 2: Convert to fraction form
    199,504.85/275,316.71 = 127,885.01/x
  3. Step 3: Cross multiply
    199,504.85x = 275,316.71 × 127,885.01
  4. Step 4: Simplify right side
    199,504.85x = 35,208,880,211.52
  5. Step 5: Solve for x
    x = 35,208,880,211.52/199,504.85
  6. Step 6: Final answer
    x = 176,481.32

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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.