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Finding the Fourth Proportional to 175,391.20, 263,086.80 and 152,063.20

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Solution

The fourth proportional to 175,391.20, 263,086.80 and 152,063.20 is: 228,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,391.20 : 263,086.80 = 152,063.20 : x
  2. Step 2: Convert to fraction form
    175,391.20/263,086.80 = 152,063.20/x
  3. Step 3: Cross multiply
    175,391.20x = 263,086.80 × 152,063.20
  4. Step 4: Simplify right side
    175,391.20x = 40,005,820,685.76
  5. Step 5: Solve for x
    x = 40,005,820,685.76/175,391.20
  6. Step 6: Final answer
    x = 228,094.80

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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.