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Finding the Fourth Proportional to 94,633.80, 141,655.32 and 69,702

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Solution

The fourth proportional to 94,633.80, 141,655.32 and 69,702 is: 104,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,633.80 : 141,655.32 = 69,702 : x
  2. Step 2: Convert to fraction form
    94,633.80/141,655.32 = 69,702/x
  3. Step 3: Cross multiply
    94,633.80x = 141,655.32 × 69,702
  4. Step 4: Simplify right side
    94,633.80x = 9,873,659,114.64
  5. Step 5: Solve for x
    x = 9,873,659,114.64/94,633.80
  6. Step 6: Final answer
    x = 104,335.44

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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.