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Finding the Fourth Proportional to 146,731.40, 220,097.10 and 53,203.40

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Solution

The fourth proportional to 146,731.40, 220,097.10 and 53,203.40 is: 79,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,731.40 : 220,097.10 = 53,203.40 : x
  2. Step 2: Convert to fraction form
    146,731.40/220,097.10 = 53,203.40/x
  3. Step 3: Cross multiply
    146,731.40x = 220,097.10 × 53,203.40
  4. Step 4: Simplify right side
    146,731.40x = 11,709,914,050.14
  5. Step 5: Solve for x
    x = 11,709,914,050.14/146,731.40
  6. Step 6: Final answer
    x = 79,805.10

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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.