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Finding the Fourth Proportional to 309,852.60, 464,769.30 and 88,236.60

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Solution

The fourth proportional to 309,852.60, 464,769.30 and 88,236.60 is: 132,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,852.60 : 464,769.30 = 88,236.60 : x
  2. Step 2: Convert to fraction form
    309,852.60/464,769.30 = 88,236.60/x
  3. Step 3: Cross multiply
    309,852.60x = 464,769.30 × 88,236.60
  4. Step 4: Simplify right side
    309,852.60x = 41,009,662,816.38
  5. Step 5: Solve for x
    x = 41,009,662,816.38/309,852.60
  6. Step 6: Final answer
    x = 132,352.17

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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.