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Finding the Fourth Proportional to 225,373.73, 311,006.14 and 123,397.34

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Solution

The fourth proportional to 225,373.73, 311,006.14 and 123,397.34 is: 170,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,373.73 : 311,006.14 = 123,397.34 : x
  2. Step 2: Convert to fraction form
    225,373.73/311,006.14 = 123,397.34/x
  3. Step 3: Cross multiply
    225,373.73x = 311,006.14 × 123,397.34
  4. Step 4: Simplify right side
    225,373.73x = 38,377,330,399.67
  5. Step 5: Solve for x
    x = 38,377,330,399.67/225,373.73
  6. Step 6: Final answer
    x = 170,283.07

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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.