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Finding the Fourth Proportional to 194,187, 267,984.54 and 118,720.92

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Solution

The fourth proportional to 194,187, 267,984.54 and 118,720.92 is: 163,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,187 : 267,984.54 = 118,720.92 : x
  2. Step 2: Convert to fraction form
    194,187/267,984.54 = 118,720.92/x
  3. Step 3: Cross multiply
    194,187x = 267,984.54 × 118,720.92
  4. Step 4: Simplify right side
    194,187x = 31,815,371,134.58
  5. Step 5: Solve for x
    x = 31,815,371,134.58/194,187
  6. Step 6: Final answer
    x = 163,838.83

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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.