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Finding the Fourth Proportional to 188,295.42, 259,846.68 and 102,253.65

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Solution

The fourth proportional to 188,295.42, 259,846.68 and 102,253.65 is: 141,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,295.42 : 259,846.68 = 102,253.65 : x
  2. Step 2: Convert to fraction form
    188,295.42/259,846.68 = 102,253.65/x
  3. Step 3: Cross multiply
    188,295.42x = 259,846.68 × 102,253.65
  4. Step 4: Simplify right side
    188,295.42x = 26,570,270,959.11
  5. Step 5: Solve for x
    x = 26,570,270,959.11/188,295.42
  6. Step 6: Final answer
    x = 141,109.49

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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.