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Finding the Fourth Proportional to 193,706.32, 267,308.53 and 107,664.88

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Solution

The fourth proportional to 193,706.32, 267,308.53 and 107,664.88 is: 148,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,706.32 : 267,308.53 = 107,664.88 : x
  2. Step 2: Convert to fraction form
    193,706.32/267,308.53 = 107,664.88/x
  3. Step 3: Cross multiply
    193,706.32x = 267,308.53 × 107,664.88
  4. Step 4: Simplify right side
    193,706.32x = 28,779,740,805.43
  5. Step 5: Solve for x
    x = 28,779,740,805.43/193,706.32
  6. Step 6: Final answer
    x = 148,574.09

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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.