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Finding the Fourth Proportional to 69,291.45, 103,677.67 and 49,347.05

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Solution

The fourth proportional to 69,291.45, 103,677.67 and 49,347.05 is: 73,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,291.45 : 103,677.67 = 49,347.05 : x
  2. Step 2: Convert to fraction form
    69,291.45/103,677.67 = 49,347.05/x
  3. Step 3: Cross multiply
    69,291.45x = 103,677.67 × 49,347.05
  4. Step 4: Simplify right side
    69,291.45x = 5,116,187,165.37
  5. Step 5: Solve for x
    x = 5,116,187,165.37/69,291.45
  6. Step 6: Final answer
    x = 73,835.76

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1.5x scale

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.