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Finding the Fourth Proportional to 335,688.99, 503,533.64 and 111,049.41

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Solution

The fourth proportional to 335,688.99, 503,533.64 and 111,049.41 is: 166,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,688.99 : 503,533.64 = 111,049.41 : x
  2. Step 2: Convert to fraction form
    335,688.99/503,533.64 = 111,049.41/x
  3. Step 3: Cross multiply
    335,688.99x = 503,533.64 × 111,049.41
  4. Step 4: Simplify right side
    335,688.99x = 55,917,113,637.15
  5. Step 5: Solve for x
    x = 55,917,113,637.15/335,688.99
  6. Step 6: Final answer
    x = 166,574.17

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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.