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Finding the Fourth Proportional to 116,866.62, 175,121.55 and 69,388.22

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Solution

The fourth proportional to 116,866.62, 175,121.55 and 69,388.22 is: 103,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,866.62 : 175,121.55 = 69,388.22 : x
  2. Step 2: Convert to fraction form
    116,866.62/175,121.55 = 69,388.22/x
  3. Step 3: Cross multiply
    116,866.62x = 175,121.55 × 69,388.22
  4. Step 4: Simplify right side
    116,866.62x = 12,151,373,075.94
  5. Step 5: Solve for x
    x = 12,151,373,075.94/116,866.62
  6. Step 6: Final answer
    x = 103,976.42

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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.