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Finding the Fourth Proportional to 109,369.80, 164,054.70 and 62,589.60

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Solution

The fourth proportional to 109,369.80, 164,054.70 and 62,589.60 is: 93,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,369.80 : 164,054.70 = 62,589.60 : x
  2. Step 2: Convert to fraction form
    109,369.80/164,054.70 = 62,589.60/x
  3. Step 3: Cross multiply
    109,369.80x = 164,054.70 × 62,589.60
  4. Step 4: Simplify right side
    109,369.80x = 10,268,118,051.12
  5. Step 5: Solve for x
    x = 10,268,118,051.12/109,369.80
  6. Step 6: Final answer
    x = 93,884.40

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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.