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Finding the Fourth Proportional to 225,768.48, 311,574.47 and 125,166.48

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Solution

The fourth proportional to 225,768.48, 311,574.47 and 125,166.48 is: 172,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,768.48 : 311,574.47 = 125,166.48 : x
  2. Step 2: Convert to fraction form
    225,768.48/311,574.47 = 125,166.48/x
  3. Step 3: Cross multiply
    225,768.48x = 311,574.47 × 125,166.48
  4. Step 4: Simplify right side
    225,768.48x = 38,998,679,667.77
  5. Step 5: Solve for x
    x = 38,998,679,667.77/225,768.48
  6. Step 6: Final answer
    x = 172,737.49

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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.