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Finding the Fourth Proportional to 104,562.15, 144,296.22 and 56,815.69

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Solution

The fourth proportional to 104,562.15, 144,296.22 and 56,815.69 is: 78,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,562.15 : 144,296.22 = 56,815.69 : x
  2. Step 2: Convert to fraction form
    104,562.15/144,296.22 = 56,815.69/x
  3. Step 3: Cross multiply
    104,562.15x = 144,296.22 × 56,815.69
  4. Step 4: Simplify right side
    104,562.15x = 8,198,289,303.69
  5. Step 5: Solve for x
    x = 8,198,289,303.69/104,562.15
  6. Step 6: Final answer
    x = 78,405.90

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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.