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Finding the Fourth Proportional to 104,624.58, 144,380.22 and 56,879.12

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Solution

The fourth proportional to 104,624.58, 144,380.22 and 56,879.12 is: 78,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,624.58 : 144,380.22 = 56,879.12 : x
  2. Step 2: Convert to fraction form
    104,624.58/144,380.22 = 56,879.12/x
  3. Step 3: Cross multiply
    104,624.58x = 144,380.22 × 56,879.12
  4. Step 4: Simplify right side
    104,624.58x = 8,212,219,859.01
  5. Step 5: Solve for x
    x = 8,212,219,859.01/104,624.58
  6. Step 6: Final answer
    x = 78,492.26

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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.