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Finding the Fourth Proportional to 367,901.82, 551,555.10 and 115,052.22

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Solution

The fourth proportional to 367,901.82, 551,555.10 and 115,052.22 is: 172,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,901.82 : 551,555.10 = 115,052.22 : x
  2. Step 2: Convert to fraction form
    367,901.82/551,555.10 = 115,052.22/x
  3. Step 3: Cross multiply
    367,901.82x = 551,555.10 × 115,052.22
  4. Step 4: Simplify right side
    367,901.82x = 63,457,638,707.32
  5. Step 5: Solve for x
    x = 63,457,638,707.32/367,901.82
  6. Step 6: Final answer
    x = 172,485.25

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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.