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Finding the Fourth Proportional to 176,605.79, 244,357.76 and 153,991.90

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Solution

The fourth proportional to 176,605.79, 244,357.76 and 153,991.90 is: 213,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,605.79 : 244,357.76 = 153,991.90 : x
  2. Step 2: Convert to fraction form
    176,605.79/244,357.76 = 153,991.90/x
  3. Step 3: Cross multiply
    176,605.79x = 244,357.76 × 153,991.90
  4. Step 4: Simplify right side
    176,605.79x = 37,629,115,516.23
  5. Step 5: Solve for x
    x = 37,629,115,516.23/176,605.79
  6. Step 6: Final answer
    x = 213,068.42

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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.