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Finding the Fourth Proportional to 193,459.63, 267,080.22 and 135,405.71

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Solution

The fourth proportional to 193,459.63, 267,080.22 and 135,405.71 is: 186,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,459.63 : 267,080.22 = 135,405.71 : x
  2. Step 2: Convert to fraction form
    193,459.63/267,080.22 = 135,405.71/x
  3. Step 3: Cross multiply
    193,459.63x = 267,080.22 × 135,405.71
  4. Step 4: Simplify right side
    193,459.63x = 36,164,186,139.03
  5. Step 5: Solve for x
    x = 36,164,186,139.03/193,459.63
  6. Step 6: Final answer
    x = 186,934.02

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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.