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Finding the Fourth Proportional to 159,045.48, 239,064.12 and 100,258.92

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Solution

The fourth proportional to 159,045.48, 239,064.12 and 100,258.92 is: 150,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,045.48 : 239,064.12 = 100,258.92 : x
  2. Step 2: Convert to fraction form
    159,045.48/239,064.12 = 100,258.92/x
  3. Step 3: Cross multiply
    159,045.48x = 239,064.12 × 100,258.92
  4. Step 4: Simplify right side
    159,045.48x = 23,968,310,481.95
  5. Step 5: Solve for x
    x = 23,968,310,481.95/159,045.48
  6. Step 6: Final answer
    x = 150,700.98

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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.