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Finding the Fourth Proportional to 120,857.55, 181,292.48 and 44,939.26

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Solution

The fourth proportional to 120,857.55, 181,292.48 and 44,939.26 is: 67,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,857.55 : 181,292.48 = 44,939.26 : x
  2. Step 2: Convert to fraction form
    120,857.55/181,292.48 = 44,939.26/x
  3. Step 3: Cross multiply
    120,857.55x = 181,292.48 × 44,939.26
  4. Step 4: Simplify right side
    120,857.55x = 8,147,149,894.76
  5. Step 5: Solve for x
    x = 8,147,149,894.76/120,857.55
  6. Step 6: Final answer
    x = 67,411.18

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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.