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Finding the Fourth Proportional to 275,303.30, 412,606.62 and 157,041.14

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Solution

The fourth proportional to 275,303.30, 412,606.62 and 157,041.14 is: 235,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,303.30 : 412,606.62 = 157,041.14 : x
  2. Step 2: Convert to fraction form
    275,303.30/412,606.62 = 157,041.14/x
  3. Step 3: Cross multiply
    275,303.30x = 412,606.62 × 157,041.14
  4. Step 4: Simplify right side
    275,303.30x = 64,796,213,976.35
  5. Step 5: Solve for x
    x = 64,796,213,976.35/275,303.30
  6. Step 6: Final answer
    x = 235,363.01

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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.