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Finding the Fourth Proportional to 146,272.30, 205,057.70 and 146,272.30

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Solution

The fourth proportional to 146,272.30, 205,057.70 and 146,272.30 is: 205,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,272.30 : 205,057.70 = 146,272.30 : x
  2. Step 2: Convert to fraction form
    146,272.30/205,057.70 = 146,272.30/x
  3. Step 3: Cross multiply
    146,272.30x = 205,057.70 × 146,272.30
  4. Step 4: Simplify right side
    146,272.30x = 29,994,261,411.71
  5. Step 5: Solve for x
    x = 29,994,261,411.71/146,272.30
  6. Step 6: Final answer
    x = 205,057.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.