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Finding the Fourth Proportional to 243,703.59, 365,589.98 and 75,192.50

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Solution

The fourth proportional to 243,703.59, 365,589.98 and 75,192.50 is: 112,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,703.59 : 365,589.98 = 75,192.50 : x
  2. Step 2: Convert to fraction form
    243,703.59/365,589.98 = 75,192.50/x
  3. Step 3: Cross multiply
    243,703.59x = 365,589.98 × 75,192.50
  4. Step 4: Simplify right side
    243,703.59x = 27,489,622,367.24
  5. Step 5: Solve for x
    x = 27,489,622,367.24/243,703.59
  6. Step 6: Final answer
    x = 112,799.41

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1.5x scale

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.