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Finding the Fourth Proportional to 170,588.43, 255,882.65 and 45,929.43

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Solution

The fourth proportional to 170,588.43, 255,882.65 and 45,929.43 is: 68,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,588.43 : 255,882.65 = 45,929.43 : x
  2. Step 2: Convert to fraction form
    170,588.43/255,882.65 = 45,929.43/x
  3. Step 3: Cross multiply
    170,588.43x = 255,882.65 × 45,929.43
  4. Step 4: Simplify right side
    170,588.43x = 11,752,544,031.74
  5. Step 5: Solve for x
    x = 11,752,544,031.74/170,588.43
  6. Step 6: Final answer
    x = 68,894.15

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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.