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Finding the Fourth Proportional to 176,351.58, 243,224.43 and 115,984.22

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Solution

The fourth proportional to 176,351.58, 243,224.43 and 115,984.22 is: 159,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,351.58 : 243,224.43 = 115,984.22 : x
  2. Step 2: Convert to fraction form
    176,351.58/243,224.43 = 115,984.22/x
  3. Step 3: Cross multiply
    176,351.58x = 243,224.43 × 115,984.22
  4. Step 4: Simplify right side
    176,351.58x = 28,210,194,582.37
  5. Step 5: Solve for x
    x = 28,210,194,582.37/176,351.58
  6. Step 6: Final answer
    x = 159,965.65

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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.