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Finding the Fourth Proportional to 166,886.30, 250,493.91 and 118,908.20

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Solution

The fourth proportional to 166,886.30, 250,493.91 and 118,908.20 is: 178,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,886.30 : 250,493.91 = 118,908.20 : x
  2. Step 2: Convert to fraction form
    166,886.30/250,493.91 = 118,908.20/x
  3. Step 3: Cross multiply
    166,886.30x = 250,493.91 × 118,908.20
  4. Step 4: Simplify right side
    166,886.30x = 29,785,779,949.06
  5. Step 5: Solve for x
    x = 29,785,779,949.06/166,886.30
  6. Step 6: Final answer
    x = 178,479.48

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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.