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Finding the Fourth Proportional to 267,853.64, 369,666.90 and 171,145.64

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Solution

The fourth proportional to 267,853.64, 369,666.90 and 171,145.64 is: 236,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,853.64 : 369,666.90 = 171,145.64 : x
  2. Step 2: Convert to fraction form
    267,853.64/369,666.90 = 171,145.64/x
  3. Step 3: Cross multiply
    267,853.64x = 369,666.90 × 171,145.64
  4. Step 4: Simplify right side
    267,853.64x = 63,266,878,187.32
  5. Step 5: Solve for x
    x = 63,266,878,187.32/267,853.64
  6. Step 6: Final answer
    x = 236,199.43

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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.