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Finding the Fourth Proportional to 251,443.11, 377,164.64 and 73,950.12

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Solution

The fourth proportional to 251,443.11, 377,164.64 and 73,950.12 is: 110,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,443.11 : 377,164.64 = 73,950.12 : x
  2. Step 2: Convert to fraction form
    251,443.11/377,164.64 = 73,950.12/x
  3. Step 3: Cross multiply
    251,443.11x = 377,164.64 × 73,950.12
  4. Step 4: Simplify right side
    251,443.11x = 27,891,370,572.63
  5. Step 5: Solve for x
    x = 27,891,370,572.63/251,443.11
  6. Step 6: Final answer
    x = 110,925.17

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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.