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Finding the Fourth Proportional to 95,787, 132,269.76 and 60,038.64

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Solution

The fourth proportional to 95,787, 132,269.76 and 60,038.64 is: 82,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,787 : 132,269.76 = 60,038.64 : x
  2. Step 2: Convert to fraction form
    95,787/132,269.76 = 60,038.64/x
  3. Step 3: Cross multiply
    95,787x = 132,269.76 × 60,038.64
  4. Step 4: Simplify right side
    95,787x = 7,941,296,503.53
  5. Step 5: Solve for x
    x = 7,941,296,503.53/95,787
  6. Step 6: Final answer
    x = 82,905.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.