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Finding the Fourth Proportional to 101,318.37, 151,852.98 and 56,851.71

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Solution

The fourth proportional to 101,318.37, 151,852.98 and 56,851.71 is: 85,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.37 : 151,852.98 = 56,851.71 : x
  2. Step 2: Convert to fraction form
    101,318.37/151,852.98 = 56,851.71/x
  3. Step 3: Cross multiply
    101,318.37x = 151,852.98 × 56,851.71
  4. Step 4: Simplify right side
    101,318.37x = 8,633,101,581.60
  5. Step 5: Solve for x
    x = 8,633,101,581.60/101,318.37
  6. Step 6: Final answer
    x = 85,207.66

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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.