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Finding the Fourth Proportional to 251,472.60, 377,079.30 and 93,619.80

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Solution

The fourth proportional to 251,472.60, 377,079.30 and 93,619.80 is: 140,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,472.60 : 377,079.30 = 93,619.80 : x
  2. Step 2: Convert to fraction form
    251,472.60/377,079.30 = 93,619.80/x
  3. Step 3: Cross multiply
    251,472.60x = 377,079.30 × 93,619.80
  4. Step 4: Simplify right side
    251,472.60x = 35,302,088,650.14
  5. Step 5: Solve for x
    x = 35,302,088,650.14/251,472.60
  6. Step 6: Final answer
    x = 140,381.45

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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.