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Finding the Fourth Proportional to 179,695.90, 269,277.58 and 72,950.03

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Solution

The fourth proportional to 179,695.90, 269,277.58 and 72,950.03 is: 109,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,695.90 : 269,277.58 = 72,950.03 : x
  2. Step 2: Convert to fraction form
    179,695.90/269,277.58 = 72,950.03/x
  3. Step 3: Cross multiply
    179,695.90x = 269,277.58 × 72,950.03
  4. Step 4: Simplify right side
    179,695.90x = 19,643,805,828.19
  5. Step 5: Solve for x
    x = 19,643,805,828.19/179,695.90
  6. Step 6: Final answer
    x = 109,316.94

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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.