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Finding the Fourth Proportional to 188,441.20, 282,661.80 and 176,777.20

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Solution

The fourth proportional to 188,441.20, 282,661.80 and 176,777.20 is: 265,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,441.20 : 282,661.80 = 176,777.20 : x
  2. Step 2: Convert to fraction form
    188,441.20/282,661.80 = 176,777.20/x
  3. Step 3: Cross multiply
    188,441.20x = 282,661.80 × 176,777.20
  4. Step 4: Simplify right side
    188,441.20x = 49,968,161,550.96
  5. Step 5: Solve for x
    x = 49,968,161,550.96/188,441.20
  6. Step 6: Final answer
    x = 265,165.80

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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.