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Finding the Fourth Proportional to 201,661.63, 302,679.15 and 101,892.04

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Solution

The fourth proportional to 201,661.63, 302,679.15 and 101,892.04 is: 152,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,661.63 : 302,679.15 = 101,892.04 : x
  2. Step 2: Convert to fraction form
    201,661.63/302,679.15 = 101,892.04/x
  3. Step 3: Cross multiply
    201,661.63x = 302,679.15 × 101,892.04
  4. Step 4: Simplify right side
    201,661.63x = 30,840,596,058.97
  5. Step 5: Solve for x
    x = 30,840,596,058.97/201,661.63
  6. Step 6: Final answer
    x = 152,932.40

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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.