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Finding the Fourth Proportional to 229,088.88, 343,550.97 and 79,288.56

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Solution

The fourth proportional to 229,088.88, 343,550.97 and 79,288.56 is: 118,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,088.88 : 343,550.97 = 79,288.56 : x
  2. Step 2: Convert to fraction form
    229,088.88/343,550.97 = 79,288.56/x
  3. Step 3: Cross multiply
    229,088.88x = 343,550.97 × 79,288.56
  4. Step 4: Simplify right side
    229,088.88x = 27,239,661,697.90
  5. Step 5: Solve for x
    x = 27,239,661,697.90/229,088.88
  6. Step 6: Final answer
    x = 118,904.34

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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.