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Finding the Fourth Proportional to 259,864.88, 358,613.53 and 140,632.88

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Solution

The fourth proportional to 259,864.88, 358,613.53 and 140,632.88 is: 194,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,864.88 : 358,613.53 = 140,632.88 : x
  2. Step 2: Convert to fraction form
    259,864.88/358,613.53 = 140,632.88/x
  3. Step 3: Cross multiply
    259,864.88x = 358,613.53 × 140,632.88
  4. Step 4: Simplify right side
    259,864.88x = 50,432,851,386.22
  5. Step 5: Solve for x
    x = 50,432,851,386.22/259,864.88
  6. Step 6: Final answer
    x = 194,073.37

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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.