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Finding the Fourth Proportional to 251,989.43, 377,794.08 and 152,125.88

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Solution

The fourth proportional to 251,989.43, 377,794.08 and 152,125.88 is: 228,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,989.43 : 377,794.08 = 152,125.88 : x
  2. Step 2: Convert to fraction form
    251,989.43/377,794.08 = 152,125.88/x
  3. Step 3: Cross multiply
    251,989.43x = 377,794.08 × 152,125.88
  4. Step 4: Simplify right side
    251,989.43x = 57,472,256,878.79
  5. Step 5: Solve for x
    x = 57,472,256,878.79/251,989.43
  6. Step 6: Final answer
    x = 228,074.08

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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.