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Finding the Fourth Proportional to 255,995.77, 383,249.98 and 149,053.50

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Solution

The fourth proportional to 255,995.77, 383,249.98 and 149,053.50 is: 223,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,995.77 : 383,249.98 = 149,053.50 : x
  2. Step 2: Convert to fraction form
    255,995.77/383,249.98 = 149,053.50/x
  3. Step 3: Cross multiply
    255,995.77x = 383,249.98 × 149,053.50
  4. Step 4: Simplify right side
    255,995.77x = 57,124,749,563.17
  5. Step 5: Solve for x
    x = 57,124,749,563.17/255,995.77
  6. Step 6: Final answer
    x = 223,147.24

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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.