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Finding the Fourth Proportional to 101,599.86, 152,344.23 and 80,674.32

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Solution

The fourth proportional to 101,599.86, 152,344.23 and 80,674.32 is: 120,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,599.86 : 152,344.23 = 80,674.32 : x
  2. Step 2: Convert to fraction form
    101,599.86/152,344.23 = 80,674.32/x
  3. Step 3: Cross multiply
    101,599.86x = 152,344.23 × 80,674.32
  4. Step 4: Simplify right side
    101,599.86x = 12,290,267,161.17
  5. Step 5: Solve for x
    x = 12,290,267,161.17/101,599.86
  6. Step 6: Final answer
    x = 120,967.36

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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.