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Finding the Fourth Proportional to 101,899.36, 152,858.76 and 39,574.72

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Solution

The fourth proportional to 101,899.36, 152,858.76 and 39,574.72 is: 59,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,899.36 : 152,858.76 = 39,574.72 : x
  2. Step 2: Convert to fraction form
    101,899.36/152,858.76 = 39,574.72/x
  3. Step 3: Cross multiply
    101,899.36x = 152,858.76 × 39,574.72
  4. Step 4: Simplify right side
    101,899.36x = 6,049,342,626.55
  5. Step 5: Solve for x
    x = 6,049,342,626.55/101,899.36
  6. Step 6: Final answer
    x = 59,365.85

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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.