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Finding the Fourth Proportional to 120,051.84, 180,077.58 and 35,809.80

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Solution

The fourth proportional to 120,051.84, 180,077.58 and 35,809.80 is: 53,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,051.84 : 180,077.58 = 35,809.80 : x
  2. Step 2: Convert to fraction form
    120,051.84/180,077.58 = 35,809.80/x
  3. Step 3: Cross multiply
    120,051.84x = 180,077.58 × 35,809.80
  4. Step 4: Simplify right side
    120,051.84x = 6,448,542,124.28
  5. Step 5: Solve for x
    x = 6,448,542,124.28/120,051.84
  6. Step 6: Final answer
    x = 53,714.65

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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.