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Finding the Fourth Proportional to 200,377.60, 276,453.96 and 115,492.84

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Solution

The fourth proportional to 200,377.60, 276,453.96 and 115,492.84 is: 159,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,377.60 : 276,453.96 = 115,492.84 : x
  2. Step 2: Convert to fraction form
    200,377.60/276,453.96 = 115,492.84/x
  3. Step 3: Cross multiply
    200,377.60x = 276,453.96 × 115,492.84
  4. Step 4: Simplify right side
    200,377.60x = 31,928,452,969.65
  5. Step 5: Solve for x
    x = 31,928,452,969.65/200,377.60
  6. Step 6: Final answer
    x = 159,341.43

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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.