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Finding the Fourth Proportional to 200,363.55, 276,501.79 and 109,725.16

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Solution

The fourth proportional to 200,363.55, 276,501.79 and 109,725.16 is: 151,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,363.55 : 276,501.79 = 109,725.16 : x
  2. Step 2: Convert to fraction form
    200,363.55/276,501.79 = 109,725.16/x
  3. Step 3: Cross multiply
    200,363.55x = 276,501.79 × 109,725.16
  4. Step 4: Simplify right side
    200,363.55x = 30,339,202,599.41
  5. Step 5: Solve for x
    x = 30,339,202,599.41/200,363.55
  6. Step 6: Final answer
    x = 151,420.77

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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.