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Finding the Fourth Proportional to 127,374.39, 175,762.69 and 73,651.27

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Solution

The fourth proportional to 127,374.39, 175,762.69 and 73,651.27 is: 101,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,374.39 : 175,762.69 = 73,651.27 : x
  2. Step 2: Convert to fraction form
    127,374.39/175,762.69 = 73,651.27/x
  3. Step 3: Cross multiply
    127,374.39x = 175,762.69 × 73,651.27
  4. Step 4: Simplify right side
    127,374.39x = 12,945,145,337.12
  5. Step 5: Solve for x
    x = 12,945,145,337.12/127,374.39
  6. Step 6: Final answer
    x = 101,630.68

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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.