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Finding the Fourth Proportional to 316,080.02, 474,041.09 and 123,993.49

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Solution

The fourth proportional to 316,080.02, 474,041.09 and 123,993.49 is: 185,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,080.02 : 474,041.09 = 123,993.49 : x
  2. Step 2: Convert to fraction form
    316,080.02/474,041.09 = 123,993.49/x
  3. Step 3: Cross multiply
    316,080.02x = 474,041.09 × 123,993.49
  4. Step 4: Simplify right side
    316,080.02x = 58,778,008,277.39
  5. Step 5: Solve for x
    x = 58,778,008,277.39/316,080.02
  6. Step 6: Final answer
    x = 185,959.27

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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.