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Finding the Fourth Proportional to 175,076.70, 262,615.05 and 56,751.90

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Solution

The fourth proportional to 175,076.70, 262,615.05 and 56,751.90 is: 85,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,076.70 : 262,615.05 = 56,751.90 : x
  2. Step 2: Convert to fraction form
    175,076.70/262,615.05 = 56,751.90/x
  3. Step 3: Cross multiply
    175,076.70x = 262,615.05 × 56,751.90
  4. Step 4: Simplify right side
    175,076.70x = 14,903,903,056.10
  5. Step 5: Solve for x
    x = 14,903,903,056.10/175,076.70
  6. Step 6: Final answer
    x = 85,127.85

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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.