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Finding the Fourth Proportional to 69,614.94, 104,936.61 and 65,550.90

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Solution

The fourth proportional to 69,614.94, 104,936.61 and 65,550.90 is: 98,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,614.94 : 104,936.61 = 65,550.90 : x
  2. Step 2: Convert to fraction form
    69,614.94/104,936.61 = 65,550.90/x
  3. Step 3: Cross multiply
    69,614.94x = 104,936.61 × 65,550.90
  4. Step 4: Simplify right side
    69,614.94x = 6,878,689,228.45
  5. Step 5: Solve for x
    x = 6,878,689,228.45/69,614.94
  6. Step 6: Final answer
    x = 98,810.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.