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Finding the Fourth Proportional to 252,668.16, 379,088.64 and 112,524.48

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Solution

The fourth proportional to 252,668.16, 379,088.64 and 112,524.48 is: 168,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,668.16 : 379,088.64 = 112,524.48 : x
  2. Step 2: Convert to fraction form
    252,668.16/379,088.64 = 112,524.48/x
  3. Step 3: Cross multiply
    252,668.16x = 379,088.64 × 112,524.48
  4. Step 4: Simplify right side
    252,668.16x = 42,656,752,089.91
  5. Step 5: Solve for x
    x = 42,656,752,089.91/252,668.16
  6. Step 6: Final answer
    x = 168,825.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.