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Finding the Fourth Proportional to 225,980.58, 311,852.35 and 124,007.75

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Solution

The fourth proportional to 225,980.58, 311,852.35 and 124,007.75 is: 171,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,980.58 : 311,852.35 = 124,007.75 : x
  2. Step 2: Convert to fraction form
    225,980.58/311,852.35 = 124,007.75/x
  3. Step 3: Cross multiply
    225,980.58x = 311,852.35 × 124,007.75
  4. Step 4: Simplify right side
    225,980.58x = 38,672,108,255.71
  5. Step 5: Solve for x
    x = 38,672,108,255.71/225,980.58
  6. Step 6: Final answer
    x = 171,130.23

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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.