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Finding the Fourth Proportional to 259,516.78, 358,133.22 and 146,339.56

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Solution

The fourth proportional to 259,516.78, 358,133.22 and 146,339.56 is: 201,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,516.78 : 358,133.22 = 146,339.56 : x
  2. Step 2: Convert to fraction form
    259,516.78/358,133.22 = 146,339.56/x
  3. Step 3: Cross multiply
    259,516.78x = 358,133.22 × 146,339.56
  4. Step 4: Simplify right side
    259,516.78x = 52,409,057,836.18
  5. Step 5: Solve for x
    x = 52,409,057,836.18/259,516.78
  6. Step 6: Final answer
    x = 201,948.63

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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.