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Finding the Fourth Proportional to 225,700.74, 311,384.52 and 135,059.22

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Solution

The fourth proportional to 225,700.74, 311,384.52 and 135,059.22 is: 186,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,700.74 : 311,384.52 = 135,059.22 : x
  2. Step 2: Convert to fraction form
    225,700.74/311,384.52 = 135,059.22/x
  3. Step 3: Cross multiply
    225,700.74x = 311,384.52 × 135,059.22
  4. Step 4: Simplify right side
    225,700.74x = 42,055,350,391.27
  5. Step 5: Solve for x
    x = 42,055,350,391.27/225,700.74
  6. Step 6: Final answer
    x = 186,332.35

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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.