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Finding the Fourth Proportional to 199,325.32, 274,913.22 and 127,712.32

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Solution

The fourth proportional to 199,325.32, 274,913.22 and 127,712.32 is: 176,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,325.32 : 274,913.22 = 127,712.32 : x
  2. Step 2: Convert to fraction form
    199,325.32/274,913.22 = 127,712.32/x
  3. Step 3: Cross multiply
    199,325.32x = 274,913.22 × 127,712.32
  4. Step 4: Simplify right side
    199,325.32x = 35,109,805,124.87
  5. Step 5: Solve for x
    x = 35,109,805,124.87/199,325.32
  6. Step 6: Final answer
    x = 176,143.23

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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.