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Finding the Fourth Proportional to 303,127.40, 418,313.27 and 167,167.01

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Solution

The fourth proportional to 303,127.40, 418,313.27 and 167,167.01 is: 230,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,127.40 : 418,313.27 = 167,167.01 : x
  2. Step 2: Convert to fraction form
    303,127.40/418,313.27 = 167,167.01/x
  3. Step 3: Cross multiply
    303,127.40x = 418,313.27 × 167,167.01
  4. Step 4: Simplify right side
    303,127.40x = 69,928,175,661.82
  5. Step 5: Solve for x
    x = 69,928,175,661.82/303,127.40
  6. Step 6: Final answer
    x = 230,689.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.