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Finding the Fourth Proportional to 177,178.79, 265,722.82 and 52,490.63

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Solution

The fourth proportional to 177,178.79, 265,722.82 and 52,490.63 is: 78,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,178.79 : 265,722.82 = 52,490.63 : x
  2. Step 2: Convert to fraction form
    177,178.79/265,722.82 = 52,490.63/x
  3. Step 3: Cross multiply
    177,178.79x = 265,722.82 × 52,490.63
  4. Step 4: Simplify right side
    177,178.79x = 13,947,958,227.18
  5. Step 5: Solve for x
    x = 13,947,958,227.18/177,178.79
  6. Step 6: Final answer
    x = 78,722.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.