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Finding the Fourth Proportional to 225,931.08, 311,785.26 and 125,329.08

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Solution

The fourth proportional to 225,931.08, 311,785.26 and 125,329.08 is: 172,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,931.08 : 311,785.26 = 125,329.08 : x
  2. Step 2: Convert to fraction form
    225,931.08/311,785.26 = 125,329.08/x
  3. Step 3: Cross multiply
    225,931.08x = 311,785.26 × 125,329.08
  4. Step 4: Simplify right side
    225,931.08x = 39,075,759,793.36
  5. Step 5: Solve for x
    x = 39,075,759,793.36/225,931.08
  6. Step 6: Final answer
    x = 172,954.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.