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Finding the Fourth Proportional to 259,878.42, 358,632.18 and 140,646.42

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Solution

The fourth proportional to 259,878.42, 358,632.18 and 140,646.42 is: 194,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,878.42 : 358,632.18 = 140,646.42 : x
  2. Step 2: Convert to fraction form
    259,878.42/358,632.18 = 140,646.42/x
  3. Step 3: Cross multiply
    259,878.42x = 358,632.18 × 140,646.42
  4. Step 4: Simplify right side
    259,878.42x = 50,440,332,213.80
  5. Step 5: Solve for x
    x = 50,440,332,213.80/259,878.42
  6. Step 6: Final answer
    x = 194,092.04

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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.