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Finding the Fourth Proportional to 176,588.67, 243,690.53 and 131,468.43

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Solution

The fourth proportional to 176,588.67, 243,690.53 and 131,468.43 is: 181,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,588.67 : 243,690.53 = 131,468.43 : x
  2. Step 2: Convert to fraction form
    176,588.67/243,690.53 = 131,468.43/x
  3. Step 3: Cross multiply
    176,588.67x = 243,690.53 × 131,468.43
  4. Step 4: Simplify right side
    176,588.67x = 32,037,611,384.97
  5. Step 5: Solve for x
    x = 32,037,611,384.97/176,588.67
  6. Step 6: Final answer
    x = 181,425.07

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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.