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Finding the Fourth Proportional to 117,770.94, 176,661.88 and 37,812.17

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Solution

The fourth proportional to 117,770.94, 176,661.88 and 37,812.17 is: 56,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.94 : 176,661.88 = 37,812.17 : x
  2. Step 2: Convert to fraction form
    117,770.94/176,661.88 = 37,812.17/x
  3. Step 3: Cross multiply
    117,770.94x = 176,661.88 × 37,812.17
  4. Step 4: Simplify right side
    117,770.94x = 6,679,969,039.08
  5. Step 5: Solve for x
    x = 6,679,969,039.08/117,770.94
  6. Step 6: Final answer
    x = 56,720.01

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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.