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Finding the Fourth Proportional to 156,768.15, 235,078 and 60,750.28

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Solution

The fourth proportional to 156,768.15, 235,078 and 60,750.28 is: 91,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.15 : 235,078 = 60,750.28 : x
  2. Step 2: Convert to fraction form
    156,768.15/235,078 = 60,750.28/x
  3. Step 3: Cross multiply
    156,768.15x = 235,078 × 60,750.28
  4. Step 4: Simplify right side
    156,768.15x = 14,281,054,321.84
  5. Step 5: Solve for x
    x = 14,281,054,321.84/156,768.15
  6. Step 6: Final answer
    x = 91,096.66

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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.