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Finding the Fourth Proportional to 367,141.87, 550,745.61 and 114,424.50

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Solution

The fourth proportional to 367,141.87, 550,745.61 and 114,424.50 is: 171,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,141.87 : 550,745.61 = 114,424.50 : x
  2. Step 2: Convert to fraction form
    367,141.87/550,745.61 = 114,424.50/x
  3. Step 3: Cross multiply
    367,141.87x = 550,745.61 × 114,424.50
  4. Step 4: Simplify right side
    367,141.87x = 63,018,791,051.45
  5. Step 5: Solve for x
    x = 63,018,791,051.45/367,141.87
  6. Step 6: Final answer
    x = 171,646.98

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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.