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Finding the Fourth Proportional to 110,012.94, 165,054.95 and 50,887.40

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Solution

The fourth proportional to 110,012.94, 165,054.95 and 50,887.40 is: 76,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,012.94 : 165,054.95 = 50,887.40 : x
  2. Step 2: Convert to fraction form
    110,012.94/165,054.95 = 50,887.40/x
  3. Step 3: Cross multiply
    110,012.94x = 165,054.95 × 50,887.40
  4. Step 4: Simplify right side
    110,012.94x = 8,399,216,977.21
  5. Step 5: Solve for x
    x = 8,399,216,977.21/110,012.94
  6. Step 6: Final answer
    x = 76,347.53

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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.