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Finding the Fourth Proportional to 236,482.70, 354,428.79 and 118,187.87

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Solution

The fourth proportional to 236,482.70, 354,428.79 and 118,187.87 is: 177,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,482.70 : 354,428.79 = 118,187.87 : x
  2. Step 2: Convert to fraction form
    236,482.70/354,428.79 = 118,187.87/x
  3. Step 3: Cross multiply
    236,482.70x = 354,428.79 × 118,187.87
  4. Step 4: Simplify right side
    236,482.70x = 41,889,181,984.63
  5. Step 5: Solve for x
    x = 41,889,181,984.63/236,482.70
  6. Step 6: Final answer
    x = 177,134.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.