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Finding the Fourth Proportional to 225,980.88, 311,852.74 and 124,008.04

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Solution

The fourth proportional to 225,980.88, 311,852.74 and 124,008.04 is: 171,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,980.88 : 311,852.74 = 124,008.04 : x
  2. Step 2: Convert to fraction form
    225,980.88/311,852.74 = 124,008.04/x
  3. Step 3: Cross multiply
    225,980.88x = 311,852.74 × 124,008.04
  4. Step 4: Simplify right side
    225,980.88x = 38,672,247,056.03
  5. Step 5: Solve for x
    x = 38,672,247,056.03/225,980.88
  6. Step 6: Final answer
    x = 171,130.62

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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.