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Finding the Fourth Proportional to 101,866.74, 140,585.02 and 59,438.94

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Solution

The fourth proportional to 101,866.74, 140,585.02 and 59,438.94 is: 82,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,866.74 : 140,585.02 = 59,438.94 : x
  2. Step 2: Convert to fraction form
    101,866.74/140,585.02 = 59,438.94/x
  3. Step 3: Cross multiply
    101,866.74x = 140,585.02 × 59,438.94
  4. Step 4: Simplify right side
    101,866.74x = 8,356,224,568.68
  5. Step 5: Solve for x
    x = 8,356,224,568.68/101,866.74
  6. Step 6: Final answer
    x = 82,030.94

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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.