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Finding the Fourth Proportional to 158,415.52, 237,603.42 and 51,790.54

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Solution

The fourth proportional to 158,415.52, 237,603.42 and 51,790.54 is: 77,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,415.52 : 237,603.42 = 51,790.54 : x
  2. Step 2: Convert to fraction form
    158,415.52/237,603.42 = 51,790.54/x
  3. Step 3: Cross multiply
    158,415.52x = 237,603.42 × 51,790.54
  4. Step 4: Simplify right side
    158,415.52x = 12,305,609,427.65
  5. Step 5: Solve for x
    x = 12,305,609,427.65/158,415.52
  6. Step 6: Final answer
    x = 77,679.32

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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.