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Finding the Fourth Proportional to 146,533.10, 205,612.90 and 146,533.10

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Solution

The fourth proportional to 146,533.10, 205,612.90 and 146,533.10 is: 205,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,533.10 : 205,612.90 = 146,533.10 : x
  2. Step 2: Convert to fraction form
    146,533.10/205,612.90 = 146,533.10/x
  3. Step 3: Cross multiply
    146,533.10x = 205,612.90 × 146,533.10
  4. Step 4: Simplify right side
    146,533.10x = 30,129,095,636.99
  5. Step 5: Solve for x
    x = 30,129,095,636.99/146,533.10
  6. Step 6: Final answer
    x = 205,612.90

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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.