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Finding the Fourth Proportional to 255,031.43, 351,929.27 and 141,846.89

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Solution

The fourth proportional to 255,031.43, 351,929.27 and 141,846.89 is: 195,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,031.43 : 351,929.27 = 141,846.89 : x
  2. Step 2: Convert to fraction form
    255,031.43/351,929.27 = 141,846.89/x
  3. Step 3: Cross multiply
    255,031.43x = 351,929.27 × 141,846.89
  4. Step 4: Simplify right side
    255,031.43x = 49,920,071,044.44
  5. Step 5: Solve for x
    x = 49,920,071,044.44/255,031.43
  6. Step 6: Final answer
    x = 195,740.86

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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.