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Finding the Fourth Proportional to 144,487.50, 199,392.75 and 94,186.50

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Solution

The fourth proportional to 144,487.50, 199,392.75 and 94,186.50 is: 129,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,487.50 : 199,392.75 = 94,186.50 : x
  2. Step 2: Convert to fraction form
    144,487.50/199,392.75 = 94,186.50/x
  3. Step 3: Cross multiply
    144,487.50x = 199,392.75 × 94,186.50
  4. Step 4: Simplify right side
    144,487.50x = 18,780,105,247.88
  5. Step 5: Solve for x
    x = 18,780,105,247.88/144,487.50
  6. Step 6: Final answer
    x = 129,977.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.