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Finding the Fourth Proportional to 175,179.80, 262,758.72 and 69,923.12

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Solution

The fourth proportional to 175,179.80, 262,758.72 and 69,923.12 is: 104,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,179.80 : 262,758.72 = 69,923.12 : x
  2. Step 2: Convert to fraction form
    175,179.80/262,758.72 = 69,923.12/x
  3. Step 3: Cross multiply
    175,179.80x = 262,758.72 × 69,923.12
  4. Step 4: Simplify right side
    175,179.80x = 18,372,909,509.61
  5. Step 5: Solve for x
    x = 18,372,909,509.61/175,179.80
  6. Step 6: Final answer
    x = 104,880.30

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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.