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Finding the Fourth Proportional to 101,018.66, 151,527.98 and 56,067.60

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Solution

The fourth proportional to 101,018.66, 151,527.98 and 56,067.60 is: 84,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,018.66 : 151,527.98 = 56,067.60 : x
  2. Step 2: Convert to fraction form
    101,018.66/151,527.98 = 56,067.60/x
  3. Step 3: Cross multiply
    101,018.66x = 151,527.98 × 56,067.60
  4. Step 4: Simplify right side
    101,018.66x = 8,495,810,879.85
  5. Step 5: Solve for x
    x = 8,495,810,879.85/101,018.66
  6. Step 6: Final answer
    x = 84,101.41

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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.