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Finding the Fourth Proportional to 122,559.55, 183,745.90 and 63,357.46

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Solution

The fourth proportional to 122,559.55, 183,745.90 and 63,357.46 is: 94,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,559.55 : 183,745.90 = 63,357.46 : x
  2. Step 2: Convert to fraction form
    122,559.55/183,745.90 = 63,357.46/x
  3. Step 3: Cross multiply
    122,559.55x = 183,745.90 × 63,357.46
  4. Step 4: Simplify right side
    122,559.55x = 11,641,673,129.25
  5. Step 5: Solve for x
    x = 11,641,673,129.25/122,559.55
  6. Step 6: Final answer
    x = 94,987.89

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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.