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Finding the Fourth Proportional to 200,060.10, 300,090.15 and 188,655.30

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Solution

The fourth proportional to 200,060.10, 300,090.15 and 188,655.30 is: 282,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,060.10 : 300,090.15 = 188,655.30 : x
  2. Step 2: Convert to fraction form
    200,060.10/300,090.15 = 188,655.30/x
  3. Step 3: Cross multiply
    200,060.10x = 300,090.15 × 188,655.30
  4. Step 4: Simplify right side
    200,060.10x = 56,613,597,275.30
  5. Step 5: Solve for x
    x = 56,613,597,275.30/200,060.10
  6. Step 6: Final answer
    x = 282,982.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.