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Finding the Fourth Proportional to 200,600.32, 276,818.16 and 115,712.32

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Solution

The fourth proportional to 200,600.32, 276,818.16 and 115,712.32 is: 159,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,600.32 : 276,818.16 = 115,712.32 : x
  2. Step 2: Convert to fraction form
    200,600.32/276,818.16 = 115,712.32/x
  3. Step 3: Cross multiply
    200,600.32x = 276,818.16 × 115,712.32
  4. Step 4: Simplify right side
    200,600.32x = 32,031,271,511.73
  5. Step 5: Solve for x
    x = 32,031,271,511.73/200,600.32
  6. Step 6: Final answer
    x = 159,677.07

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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.