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Finding the Fourth Proportional to 228,850.55, 315,832.47 and 126,908.00

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Solution

The fourth proportional to 228,850.55, 315,832.47 and 126,908.00 is: 175,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,850.55 : 315,832.47 = 126,908.00 : x
  2. Step 2: Convert to fraction form
    228,850.55/315,832.47 = 126,908.00/x
  3. Step 3: Cross multiply
    228,850.55x = 315,832.47 × 126,908.00
  4. Step 4: Simplify right side
    228,850.55x = 40,081,666,232.06
  5. Step 5: Solve for x
    x = 40,081,666,232.06/228,850.55
  6. Step 6: Final answer
    x = 175,143.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.