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Finding the Fourth Proportional to 117,651, 176,377.28 and 51,041.01

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Solution

The fourth proportional to 117,651, 176,377.28 and 51,041.01 is: 76,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,651 : 176,377.28 = 51,041.01 : x
  2. Step 2: Convert to fraction form
    117,651/176,377.28 = 51,041.01/x
  3. Step 3: Cross multiply
    117,651x = 176,377.28 × 51,041.01
  4. Step 4: Simplify right side
    117,651x = 9,002,474,257.05
  5. Step 5: Solve for x
    x = 9,002,474,257.05/117,651
  6. Step 6: Final answer
    x = 76,518.47

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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.