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Finding the Fourth Proportional to 127,345.30, 175,726.23 and 73,633.79

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Solution

The fourth proportional to 127,345.30, 175,726.23 and 73,633.79 is: 101,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.30 : 175,726.23 = 73,633.79 : x
  2. Step 2: Convert to fraction form
    127,345.30/175,726.23 = 73,633.79/x
  3. Step 3: Cross multiply
    127,345.30x = 175,726.23 × 73,633.79
  4. Step 4: Simplify right side
    127,345.30x = 12,939,388,480.50
  5. Step 5: Solve for x
    x = 12,939,388,480.50/127,345.30
  6. Step 6: Final answer
    x = 101,608.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.