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Finding the Fourth Proportional to 124,594.26, 171,962.37 and 74,296.50

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Solution

The fourth proportional to 124,594.26, 171,962.37 and 74,296.50 is: 102,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,594.26 : 171,962.37 = 74,296.50 : x
  2. Step 2: Convert to fraction form
    124,594.26/171,962.37 = 74,296.50/x
  3. Step 3: Cross multiply
    124,594.26x = 171,962.37 × 74,296.50
  4. Step 4: Simplify right side
    124,594.26x = 12,776,202,222.71
  5. Step 5: Solve for x
    x = 12,776,202,222.71/124,594.26
  6. Step 6: Final answer
    x = 102,542.46

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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.