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Finding the Fourth Proportional to 117,495.39, 176,280.96 and 54,356.87

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Solution

The fourth proportional to 117,495.39, 176,280.96 and 54,356.87 is: 81,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,495.39 : 176,280.96 = 54,356.87 : x
  2. Step 2: Convert to fraction form
    117,495.39/176,280.96 = 54,356.87/x
  3. Step 3: Cross multiply
    117,495.39x = 176,280.96 × 54,356.87
  4. Step 4: Simplify right side
    117,495.39x = 9,582,080,344.79
  5. Step 5: Solve for x
    x = 9,582,080,344.79/117,495.39
  6. Step 6: Final answer
    x = 81,552.82

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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.