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Finding the Fourth Proportional to 160,625.98, 240,950.81 and 42,296.50

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Solution

The fourth proportional to 160,625.98, 240,950.81 and 42,296.50 is: 63,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,625.98 : 240,950.81 = 42,296.50 : x
  2. Step 2: Convert to fraction form
    160,625.98/240,950.81 = 42,296.50/x
  3. Step 3: Cross multiply
    160,625.98x = 240,950.81 × 42,296.50
  4. Step 4: Simplify right side
    160,625.98x = 10,191,375,935.17
  5. Step 5: Solve for x
    x = 10,191,375,935.17/160,625.98
  6. Step 6: Final answer
    x = 63,447.87

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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.