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Finding the Fourth Proportional to 259,392.73, 358,128.55 and 162,729.11

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Solution

The fourth proportional to 259,392.73, 358,128.55 and 162,729.11 is: 224,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,392.73 : 358,128.55 = 162,729.11 : x
  2. Step 2: Convert to fraction form
    259,392.73/358,128.55 = 162,729.11/x
  3. Step 3: Cross multiply
    259,392.73x = 358,128.55 × 162,729.11
  4. Step 4: Simplify right side
    259,392.73x = 58,277,940,207.09
  5. Step 5: Solve for x
    x = 58,277,940,207.09/259,392.73
  6. Step 6: Final answer
    x = 224,670.68

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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.