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Finding the Fourth Proportional to 240,256.80, 360,078.48 and 113,896.80

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Solution

The fourth proportional to 240,256.80, 360,078.48 and 113,896.80 is: 170,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,256.80 : 360,078.48 = 113,896.80 : x
  2. Step 2: Convert to fraction form
    240,256.80/360,078.48 = 113,896.80/x
  3. Step 3: Cross multiply
    240,256.80x = 360,078.48 × 113,896.80
  4. Step 4: Simplify right side
    240,256.80x = 41,011,786,620.86
  5. Step 5: Solve for x
    x = 41,011,786,620.86/240,256.80
  6. Step 6: Final answer
    x = 170,699.80

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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.