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Finding the Fourth Proportional to 225,852.88, 311,677.42 and 123,879.17

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Solution

The fourth proportional to 225,852.88, 311,677.42 and 123,879.17 is: 170,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,852.88 : 311,677.42 = 123,879.17 : x
  2. Step 2: Convert to fraction form
    225,852.88/311,677.42 = 123,879.17/x
  3. Step 3: Cross multiply
    225,852.88x = 311,677.42 × 123,879.17
  4. Step 4: Simplify right side
    225,852.88x = 38,610,340,097.34
  5. Step 5: Solve for x
    x = 38,610,340,097.34/225,852.88
  6. Step 6: Final answer
    x = 170,953.50

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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.