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Finding the Fourth Proportional to 106,985.80, 160,504.08 and 36,863.02

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Solution

The fourth proportional to 106,985.80, 160,504.08 and 36,863.02 is: 55,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.80 : 160,504.08 = 36,863.02 : x
  2. Step 2: Convert to fraction form
    106,985.80/160,504.08 = 36,863.02/x
  3. Step 3: Cross multiply
    106,985.80x = 160,504.08 × 36,863.02
  4. Step 4: Simplify right side
    106,985.80x = 5,916,665,111.12
  5. Step 5: Solve for x
    x = 5,916,665,111.12/106,985.80
  6. Step 6: Final answer
    x = 55,303.27

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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.