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Finding the Fourth Proportional to 144,847.80, 188,509.50 and 144,847.80

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Solution

The fourth proportional to 144,847.80, 188,509.50 and 144,847.80 is: 188,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,847.80 : 188,509.50 = 144,847.80 : x
  2. Step 2: Convert to fraction form
    144,847.80/188,509.50 = 144,847.80/x
  3. Step 3: Cross multiply
    144,847.80x = 188,509.50 × 144,847.80
  4. Step 4: Simplify right side
    144,847.80x = 27,305,186,354.10
  5. Step 5: Solve for x
    x = 27,305,186,354.10/144,847.80
  6. Step 6: Final answer
    x = 188,509.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.